18888931664

素因数分解:

$2^4\times {\mathrm{5179}}^1\times {\mathrm{227951}}^1$

素因数の和:233138

約数の個数: 20

約数和(自身を含む): 36604532160

約数和(自身を除く): 17715600496

約数列:

[1, 2, 4, 8, 16, 5179, 10358, 20716, 41432, 82864, 227951, 455902, 911804, 1823608, 3647216, 1180558229, 2361116458, 4722232916, 9444465832, 18888931664]

約数ペア:

[(1, 18888931664), (2, 9444465832), (4, 4722232916), (8, 2361116458), (16, 1180558229), (5179, 3647216), (10358, 1823608), (20716, 911804), (41432, 455902), (82864, 227951)]