17996801905

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1\times {\mathrm{58453}}^1$

素因数の和:59040

約数の個数: 16

約数和(自身を含む): 21801003840

約数和(自身を除く): 3804201935

約数列:

[1, 5, 139, 443, 695, 2215, 58453, 61577, 292265, 307885, 8124967, 25894679, 40624835, 129473395, 3599360381, 17996801905]

約数ペア:

[(1, 17996801905), (5, 3599360381), (139, 129473395), (443, 40624835), (695, 25894679), (2215, 8124967), (58453, 307885), (61577, 292265)]