1330791844

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{921601}}^1$

素因数の和:921643

約数の個数: 18

約数和(自身を含む): 2457912534

約数和(自身を除く): 1127120690

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 921601, 1843202, 3686404, 17510419, 35020838, 70041676, 332697961, 665395922, 1330791844]

約数ペア:

[(1, 1330791844), (2, 665395922), (4, 332697961), (19, 70041676), (38, 35020838), (76, 17510419), (361, 3686404), (722, 1843202), (1444, 921601)]