18930886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31657}}^1$

素因数の和:31695

約数の個数: 16

約数和(自身を含む): 31911264

約数和(自身を除く): 12980378

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 31657, 63314, 411541, 728111, 823082, 1456222, 9465443, 18930886]

約数ペア:

[(1, 18930886), (2, 9465443), (13, 1456222), (23, 823082), (26, 728111), (46, 411541), (299, 63314), (598, 31657)]