20171789854

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{9833}}^1\times {\mathrm{7487}}^1$

素因数の和:17459

約数の個数: 16

約数和(自身を含む): 30485714688

約数和(自身を除く): 10313924834

約数列:

[1, 2, 137, 274, 7487, 9833, 14974, 19666, 1025719, 1347121, 2051438, 2694242, 73619671, 147239342, 10085894927, 20171789854]

約数ペア:

[(1, 20171789854), (2, 10085894927), (137, 147239342), (274, 73619671), (7487, 2694242), (9833, 2051438), (14974, 1347121), (19666, 1025719)]