31686736

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{18169}}^1$

素因数の和:18286

約数の個数: 20

約数和(自身を含む): 61959700

約数和(自身を除く): 30272964

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 18169, 36338, 72676, 145352, 290704, 1980421, 3960842, 7921684, 15843368, 31686736]

約数ペア:

[(1, 31686736), (2, 15843368), (4, 7921684), (8, 3960842), (16, 1980421), (109, 290704), (218, 145352), (436, 72676), (872, 36338), (1744, 18169)]