Q: What is the sum of all factors of the number 19,998 excluding 19,998?
A: 27,738
The factors of the number 19,998 are: 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 101, 198, 202, 303, 606, 909, 1111, 1818, 2222, 3333, 6666, 9999, 19998.
If you add them up, you will get the total of 20,025. Now subtract 19,998 to get 27,738