Q: What is the sum of all factors of the number 1,561,918 including 1,561,918?
A: 2,406,312
The factors of the number 1,561,918 are: 1, 2, 37, 74, 21107, 42214, 780959, 1561918.
If you add them up, you will get the total of 2,406,312.