18138445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{773}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 24771096

約数和(自身を除く): 6632651

約数列:

[1, 5, 13, 19, 65, 95, 247, 361, 773, 1235, 1805, 3865, 4693, 10049, 14687, 23465, 50245, 73435, 190931, 279053, 954655, 1395265, 3627689, 18138445]

約数ペア:

[(1, 18138445), (5, 3627689), (13, 1395265), (19, 954655), (65, 279053), (95, 190931), (247, 73435), (361, 50245), (773, 23465), (1235, 14687), (1805, 10049), (3865, 4693)]