18847222

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:663

約数の個数: 16

約数和(自身を含む): 28690272

約数和(自身を除く): 9843050

約数列:

[1, 2, 157, 193, 311, 314, 386, 622, 30301, 48827, 60023, 60602, 97654, 120046, 9423611, 18847222]

約数ペア:

[(1, 18847222), (2, 9423611), (157, 120046), (193, 97654), (311, 60602), (314, 60023), (386, 48827), (622, 30301)]