19403631

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18427}}^1$

素因数の和:18452

約数の個数: 20

約数和(自身を含む): 31217032

約数和(自身を除く): 11813401

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18427, 55281, 165843, 239551, 497529, 718653, 1492587, 2155959, 6467877, 19403631]

約数ペア:

[(1, 19403631), (3, 6467877), (9, 2155959), (13, 1492587), (27, 718653), (39, 497529), (81, 239551), (117, 165843), (351, 55281), (1053, 18427)]