18686654

素因数分解:

$2^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2063}}^1$

素因数の和:2719

約数の個数: 16

約数和(自身を含む): 32099328

約数和(自身を除く): 13412674

約数列:

[1, 2, 7, 14, 647, 1294, 2063, 4126, 4529, 9058, 14441, 28882, 1334761, 2669522, 9343327, 18686654]

約数ペア:

[(1, 18686654), (2, 9343327), (7, 2669522), (14, 1334761), (647, 28882), (1294, 14441), (2063, 9058), (4126, 4529)]