19768220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8747}}^1$

素因数の和:8869

約数の個数: 24

約数和(自身を含む): 41885424

約数和(自身を除く): 22117204

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8747, 17494, 34988, 43735, 87470, 174940, 988411, 1976822, 3953644, 4942055, 9884110, 19768220]

約数ペア:

[(1, 19768220), (2, 9884110), (4, 4942055), (5, 3953644), (10, 1976822), (20, 988411), (113, 174940), (226, 87470), (452, 43735), (565, 34988), (1130, 17494), (2260, 8747)]