18369359519

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{161221}}^1$

素因数の和:161666

約数の個数: 16

約数和(自身を含む): 21559895616

約数和(自身を除く): 3190536097

約数列:

[1, 7, 41, 287, 397, 2779, 16277, 113939, 161221, 1128547, 6610061, 46270427, 64004737, 448033159, 2624194217, 18369359519]

約数ペア:

[(1, 18369359519), (7, 2624194217), (41, 448033159), (287, 64004737), (397, 46270427), (2779, 6610061), (16277, 1128547), (113939, 161221)]