20180899518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258729481}}^1$

素因数の和:258729499

約数の個数: 16

約数和(自身を含む): 43466552976

約数和(自身を除く): 23285653458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258729481, 517458962, 776188443, 1552376886, 3363483253, 6726966506, 10090449759, 20180899518]

約数ペア:

[(1, 20180899518), (2, 10090449759), (3, 6726966506), (6, 3363483253), (13, 1552376886), (26, 776188443), (39, 517458962), (78, 258729481)]