18032638

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1780

約数の個数: 24

約数和(自身を含む): 30252096

約数和(自身を除く): 12219458

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 1721, 3442, 5239, 10478, 22373, 44746, 53351, 106702, 290849, 581698, 693563, 1387126, 9016319, 18032638]

約数ペア:

[(1, 18032638), (2, 9016319), (13, 1387126), (26, 693563), (31, 581698), (62, 290849), (169, 106702), (338, 53351), (403, 44746), (806, 22373), (1721, 10478), (3442, 5239)]