declare @create_indexes nvarchar(max);
set @create_indexes = N'';

select
    @create_indexes = @create_indexes +
        'create clustered index ' + quotename('IX_' + object_name(i.object_id)) +
        char(13) + char(10) +
        'on ' + quotename(object_name(i.object_id)) + '(' + quotename(c.name) + ');' +
        char(13) + char(10) +
        'go' +
        char(13) + char(10)
from sys.indexes i
inner join sys.columns c
on i.object_id = c.object_id
where i.type = 0
and c.is_identity = 1;

print @create_indexes;