18728168

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{20717}}^1$

素因数の和:20836

約数の個数: 16

約数和(自身を含む): 35427780

約数和(自身を除く): 16699612

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 20717, 41434, 82868, 165736, 2341021, 4682042, 9364084, 18728168]

約数ペア:

[(1, 18728168), (2, 9364084), (4, 4682042), (8, 2341021), (113, 165736), (226, 82868), (452, 41434), (904, 20717)]