218920227970

素因数分解:

$2^1\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{11700707}}^1$

素因数の和:11702585

約数の個数: 16

約数和(自身を含む): 394267056768

約数和(自身を除く): 175346828798

約数列:

[1, 2, 5, 10, 1871, 3742, 9355, 18710, 11700707, 23401414, 58503535, 117007070, 21892022797, 43784045594, 109460113985, 218920227970]

約数ペア:

[(1, 218920227970), (2, 109460113985), (5, 43784045594), (10, 21892022797), (1871, 117007070), (3742, 58503535), (9355, 23401414), (18710, 11700707)]