12920798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30911}}^1$

素因数の和:30943

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 9335842

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 30911, 61822, 340021, 587309, 680042, 1174618, 6460399, 12920798]

約数ペア:

[(1, 12920798), (2, 6460399), (11, 1174618), (19, 680042), (22, 587309), (38, 340021), (209, 61822), (418, 30911)]