18998406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1151}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 47443968

約数和(自身を除く): 28445562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1151, 1179, 1834, 2302, 2358, 2751, 3453, 5502, 6906, 8057, 8253, 10359, 16114, 16506, 20718, 24171, 48342, 72513, 145026, 150781, 301562, 452343, 904686, 1055467, 1357029, 2110934, 2714058, 3166401, 6332802, 9499203, 18998406]

約数ペア:

[(1, 18998406), (2, 9499203), (3, 6332802), (6, 3166401), (7, 2714058), (9, 2110934), (14, 1357029), (18, 1055467), (21, 904686), (42, 452343), (63, 301562), (126, 150781), (131, 145026), (262, 72513), (393, 48342), (786, 24171), (917, 20718), (1151, 16506), (1179, 16114), (1834, 10359), (2302, 8253), (2358, 8057), (2751, 6906), (3453, 5502)]