18200974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43543}}^1$

素因数の和:43575

約数の個数: 16

約数和(自身を含む): 31351680

約数和(自身を除く): 13150706

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 43543, 87086, 478973, 827317, 957946, 1654634, 9100487, 18200974]

約数ペア:

[(1, 18200974), (2, 9100487), (11, 1654634), (19, 957946), (22, 827317), (38, 478973), (209, 87086), (418, 43543)]