18792220

素因数分解:

$2^2\times 5^1\times {\mathrm{939611}}^1$

素因数の和:939620

約数の個数: 12

約数和(自身を含む): 39463704

約数和(自身を除く): 20671484

約数列:

[1, 2, 4, 5, 10, 20, 939611, 1879222, 3758444, 4698055, 9396110, 18792220]

約数ペア:

[(1, 18792220), (2, 9396110), (4, 4698055), (5, 3758444), (10, 1879222), (20, 939611)]