18881636

素因数分解:

$2^2\times {\mathrm{179}}^1\times {\mathrm{26371}}^1$

素因数の和:26554

約数の個数: 12

約数和(自身を含む): 33228720

約数和(自身を除く): 14347084

約数列:

[1, 2, 4, 179, 358, 716, 26371, 52742, 105484, 4720409, 9440818, 18881636]

約数ペア:

[(1, 18881636), (2, 9440818), (4, 4720409), (179, 105484), (358, 52742), (716, 26371)]