19959510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1277}}^1$

素因数の和:1808

約数の個数: 32

約数和(自身を含む): 48032352

約数和(自身を除く): 28072842

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 521, 1042, 1277, 1563, 2554, 2605, 3126, 3831, 5210, 6385, 7662, 7815, 12770, 15630, 19155, 38310, 665317, 1330634, 1995951, 3326585, 3991902, 6653170, 9979755, 19959510]

約数ペア:

[(1, 19959510), (2, 9979755), (3, 6653170), (5, 3991902), (6, 3326585), (10, 1995951), (15, 1330634), (30, 665317), (521, 38310), (1042, 19155), (1277, 15630), (1563, 12770), (2554, 7815), (2605, 7662), (3126, 6385), (3831, 5210)]