18590618

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:869

約数の個数: 16

約数和(自身を含む): 28444416

約数和(自身を除く): 9853798

約数列:

[1, 2, 73, 146, 223, 446, 571, 1142, 16279, 32558, 41683, 83366, 127333, 254666, 9295309, 18590618]

約数ペア:

[(1, 18590618), (2, 9295309), (73, 254666), (146, 127333), (223, 83366), (446, 41683), (571, 32558), (1142, 16279)]