19664674

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2137}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 30479328

約数和(自身を除く): 10814654

約数列:

[1, 2, 43, 86, 107, 214, 2137, 4274, 4601, 9202, 91891, 183782, 228659, 457318, 9832337, 19664674]

約数ペア:

[(1, 19664674), (2, 9832337), (43, 457318), (86, 228659), (107, 183782), (214, 91891), (2137, 9202), (4274, 4601)]