2018860805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1\times {\mathrm{20287}}^1$

素因数の和:21836

約数の個数: 16

約数和(自身を含む): 2610822144

約数和(自身を除く): 591961339

約数列:

[1, 5, 13, 65, 1531, 7655, 19903, 20287, 99515, 101435, 263731, 1318655, 31059397, 155296985, 403772161, 2018860805]

約数ペア:

[(1, 2018860805), (5, 403772161), (13, 155296985), (65, 31059397), (1531, 1318655), (7655, 263731), (19903, 101435), (20287, 99515)]