18139495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10639}}^1$

素因数の和:10686

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 6375065

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 10639, 53195, 117029, 329809, 585145, 1649045, 3627899, 18139495]

約数ペア:

[(1, 18139495), (5, 3627899), (11, 1649045), (31, 585145), (55, 329809), (155, 117029), (341, 53195), (1705, 10639)]