19557218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2089}}^1$

素因数の和:2273

約数の個数: 16

約数和(自身を含む): 30497280

約数和(自身を除く): 10940062

約数列:

[1, 2, 31, 62, 151, 302, 2089, 4178, 4681, 9362, 64759, 129518, 315439, 630878, 9778609, 19557218]

約数ペア:

[(1, 19557218), (2, 9778609), (31, 630878), (62, 315439), (151, 129518), (302, 64759), (2089, 9362), (4178, 4681)]