18572164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4013}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 35403480

約数和(自身を除く): 16831316

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4013, 4628, 8026, 16052, 52169, 104338, 208676, 357157, 714314, 1428628, 4643041, 9286082, 18572164]

約数ペア:

[(1, 18572164), (2, 9286082), (4, 4643041), (13, 1428628), (26, 714314), (52, 357157), (89, 208676), (178, 104338), (356, 52169), (1157, 16052), (2314, 8026), (4013, 4628)]