31389986

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{18443}}^1$

素因数の和:18505

約数の個数: 16

約数和(自身を含む): 50462784

約数和(自身を除く): 19072798

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 18443, 36886, 424189, 682391, 848378, 1364782, 15694993, 31389986]

約数ペア:

[(1, 31389986), (2, 15694993), (23, 1364782), (37, 848378), (46, 682391), (74, 424189), (851, 36886), (1702, 18443)]