18520153420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31931299}}^1$

素因数の和:31931337

約数の個数: 24

約数和(自身を含む): 40233438000

約数和(自身を除く): 21713284580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31931299, 63862598, 127725196, 159656495, 319312990, 638625980, 926007671, 1852015342, 3704030684, 4630038355, 9260076710, 18520153420]

約数ペア:

[(1, 18520153420), (2, 9260076710), (4, 4630038355), (5, 3704030684), (10, 1852015342), (20, 926007671), (29, 638625980), (58, 319312990), (116, 159656495), (145, 127725196), (290, 63862598), (580, 31931299)]