18871870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3636

約数の個数: 32

約数和(自身を含む): 37138176

約数和(自身を除く): 18266306

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 3581, 5270, 7162, 17905, 35810, 60877, 111011, 121754, 222022, 304385, 555055, 608770, 1110110, 1887187, 3774374, 9435935, 18871870]

約数ペア:

[(1, 18871870), (2, 9435935), (5, 3774374), (10, 1887187), (17, 1110110), (31, 608770), (34, 555055), (62, 304385), (85, 222022), (155, 121754), (170, 111011), (310, 60877), (527, 35810), (1054, 17905), (2635, 7162), (3581, 5270)]