19762720624

素因数分解:

$2^4\times {\mathrm{22279}}^1\times {\mathrm{55441}}^1$

素因数の和:77728

約数の個数: 20

約数和(自身を含む): 38292680560

約数和(自身を除く): 18529959936

約数列:

[1, 2, 4, 8, 16, 22279, 44558, 55441, 89116, 110882, 178232, 221764, 356464, 443528, 887056, 1235170039, 2470340078, 4940680156, 9881360312, 19762720624]

約数ペア:

[(1, 19762720624), (2, 9881360312), (4, 4940680156), (8, 2470340078), (16, 1235170039), (22279, 887056), (44558, 443528), (55441, 356464), (89116, 221764), (110882, 178232)]