20151837

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{617}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 30850560

約数和(自身を除く): 10698723

約数列:

[1, 3, 9, 19, 57, 171, 191, 573, 617, 1719, 1851, 3629, 5553, 10887, 11723, 32661, 35169, 105507, 117847, 353541, 1060623, 2239093, 6717279, 20151837]

約数ペア:

[(1, 20151837), (3, 6717279), (9, 2239093), (19, 1060623), (57, 353541), (171, 117847), (191, 105507), (573, 35169), (617, 32661), (1719, 11723), (1851, 10887), (3629, 5553)]