18580966

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 31069440

約数和(自身を除く): 12488474

約数列:

[1, 2, 17, 31, 34, 61, 62, 122, 289, 527, 578, 1037, 1054, 1891, 2074, 3782, 4913, 8959, 9826, 17629, 17918, 32147, 35258, 64294, 152303, 299693, 304606, 546499, 599386, 1092998, 9290483, 18580966]

約数ペア:

[(1, 18580966), (2, 9290483), (17, 1092998), (31, 599386), (34, 546499), (61, 304606), (62, 299693), (122, 152303), (289, 64294), (527, 35258), (578, 32147), (1037, 17918), (1054, 17629), (1891, 9826), (2074, 8959), (3782, 4913)]