19850270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 39233376

約数和(自身を除く): 19383106

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 997, 1810, 1991, 1994, 3982, 4985, 9955, 9970, 10967, 19910, 21934, 54835, 109670, 180457, 360914, 902285, 1804570, 1985027, 3970054, 9925135, 19850270]

約数ペア:

[(1, 19850270), (2, 9925135), (5, 3970054), (10, 1985027), (11, 1804570), (22, 902285), (55, 360914), (110, 180457), (181, 109670), (362, 54835), (905, 21934), (997, 19910), (1810, 10967), (1991, 9970), (1994, 9955), (3982, 4985)]