18111561

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 26439840

約数和(自身を除く): 8328279

約数列:

[1, 3, 13, 39, 139, 169, 257, 417, 507, 771, 1807, 3341, 5421, 10023, 23491, 35723, 43433, 70473, 107169, 130299, 464399, 1393197, 6037187, 18111561]

約数ペア:

[(1, 18111561), (3, 6037187), (13, 1393197), (39, 464399), (139, 130299), (169, 107169), (257, 70473), (417, 43433), (507, 35723), (771, 23491), (1807, 10023), (3341, 5421)]