18618847

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 20811168

約数和(自身を除く): 2192321

約数列:

[1, 13, 53, 61, 443, 689, 793, 3233, 5759, 23479, 27023, 42029, 305227, 351299, 1432219, 18618847]

約数ペア:

[(1, 18618847), (13, 1432219), (53, 351299), (61, 305227), (443, 42029), (689, 27023), (793, 23479), (3233, 5759)]