18671564

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 33678288

約数和(自身を除く): 15006724

約数列:

[1, 2, 4, 41, 82, 164, 257, 443, 514, 886, 1028, 1772, 10537, 18163, 21074, 36326, 42148, 72652, 113851, 227702, 455404, 4667891, 9335782, 18671564]

約数ペア:

[(1, 18671564), (2, 9335782), (4, 4667891), (41, 455404), (82, 227702), (164, 113851), (257, 72652), (443, 42148), (514, 36326), (886, 21074), (1028, 18163), (1772, 10537)]