18889126

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 29145600

約数和(自身を除く): 10256474

約数列:

[1, 2, 43, 86, 239, 478, 919, 1838, 10277, 20554, 39517, 79034, 219641, 439282, 9444563, 18889126]

約数ペア:

[(1, 18889126), (2, 9444563), (43, 439282), (86, 219641), (239, 79034), (478, 39517), (919, 20554), (1838, 10277)]