12919216

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 26057360

約数和(自身を除く): 13138144

約数列:

[1, 2, 4, 8, 16, 37, 74, 139, 148, 157, 278, 296, 314, 556, 592, 628, 1112, 1256, 2224, 2512, 5143, 5809, 10286, 11618, 20572, 21823, 23236, 41144, 43646, 46472, 82288, 87292, 92944, 174584, 349168, 807451, 1614902, 3229804, 6459608, 12919216]

約数ペア:

[(1, 12919216), (2, 6459608), (4, 3229804), (8, 1614902), (16, 807451), (37, 349168), (74, 174584), (139, 92944), (148, 87292), (157, 82288), (278, 46472), (296, 43646), (314, 41144), (556, 23236), (592, 21823), (628, 20572), (1112, 11618), (1256, 10286), (2224, 5809), (2512, 5143)]