18863338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4451}}^1$

素因数の和:4629

約数の個数: 16

約数和(自身を含む): 30665376

約数和(自身を除く): 11802038

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4451, 8902, 57863, 115726, 725513, 1451026, 9431669, 18863338]

約数ペア:

[(1, 18863338), (2, 9431669), (13, 1451026), (26, 725513), (163, 115726), (326, 57863), (2119, 8902), (4238, 4451)]