18979174

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9151}}^1$

素因数の和:9231

約数の個数: 16

約数和(自身を含む): 30640896

約数和(自身を除く): 11661722

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 9151, 18302, 155567, 311134, 558211, 1116422, 9489587, 18979174]

約数ペア:

[(1, 18979174), (2, 9489587), (17, 1116422), (34, 558211), (61, 311134), (122, 155567), (1037, 18302), (2074, 9151)]