18940101481

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{70537}}^1$

素因数の和:71064

約数の個数: 16

約数和(自身を含む): 21940139520

約数和(自身を除く): 3000038039

約数列:

[1, 7, 89, 431, 623, 3017, 38359, 70537, 268513, 493759, 6277793, 30401447, 43944551, 212810129, 2705728783, 18940101481]

約数ペア:

[(1, 18940101481), (7, 2705728783), (89, 212810129), (431, 43944551), (623, 30401447), (3017, 6277793), (38359, 493759), (70537, 268513)]