12866288

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18701}}^1$

素因数の和:18752

約数の個数: 20

約数和(自身を含む): 25509528

約数和(自身を除く): 12643240

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18701, 37402, 74804, 149608, 299216, 804143, 1608286, 3216572, 6433144, 12866288]

約数ペア:

[(1, 12866288), (2, 6433144), (4, 3216572), (8, 1608286), (16, 804143), (43, 299216), (86, 149608), (172, 74804), (344, 37402), (688, 18701)]