Q: What is the sum of all factors of the number 1,998 excluding 1,998?
A: 2,562
The factors of the number 1,998 are: 1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998.
If you add them up, you will get the total of 2,000. Now subtract 1,998 to get 2,562