19411035620

素因数分解:

$2^2\times 5^1\times {\mathrm{970551781}}^1$

素因数の和:970551790

約数の個数: 12

約数和(自身を含む): 40763174844

約数和(自身を除く): 21352139224

約数列:

[1, 2, 4, 5, 10, 20, 970551781, 1941103562, 3882207124, 4852758905, 9705517810, 19411035620]

約数ペア:

[(1, 19411035620), (2, 9705517810), (4, 4852758905), (5, 3882207124), (10, 1941103562), (20, 970551781)]