18978333886

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1\times {\mathrm{10141}}^1$

素因数の和:10696

約数の個数: 32

約数和(自身を含む): 29816506368

約数和(自身を除く): 10838172482

約数列:

[1, 2, 43, 47, 86, 94, 463, 926, 2021, 4042, 10141, 19909, 20282, 21761, 39818, 43522, 436063, 476627, 872126, 935723, 953254, 1871446, 4695283, 9390566, 20494961, 40989922, 201897169, 220678301, 403794338, 441356602, 9489166943, 18978333886]

約数ペア:

[(1, 18978333886), (2, 9489166943), (43, 441356602), (47, 403794338), (86, 220678301), (94, 201897169), (463, 40989922), (926, 20494961), (2021, 9390566), (4042, 4695283), (10141, 1871446), (19909, 953254), (20282, 935723), (21761, 872126), (39818, 476627), (43522, 436063)]