18472874

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 32664576

約数和(自身を除く): 14191702

約数列:

[1, 2, 7, 14, 61, 97, 122, 194, 223, 427, 446, 679, 854, 1358, 1561, 3122, 5917, 11834, 13603, 21631, 27206, 41419, 43262, 82838, 95221, 151417, 190442, 302834, 1319491, 2638982, 9236437, 18472874]

約数ペア:

[(1, 18472874), (2, 9236437), (7, 2638982), (14, 1319491), (61, 302834), (97, 190442), (122, 151417), (194, 95221), (223, 82838), (427, 43262), (446, 41419), (679, 27206), (854, 21631), (1358, 13603), (1561, 11834), (3122, 5917)]