19942139

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1627}}^1$

素因数の和:1754

約数の個数: 16

約数和(自身を含む): 24380928

約数和(自身を除く): 4438789

約数列:

[1, 7, 17, 103, 119, 721, 1627, 1751, 11389, 12257, 27659, 167581, 193613, 1173067, 2848877, 19942139]

約数ペア:

[(1, 19942139), (7, 2848877), (17, 1173067), (103, 193613), (119, 167581), (721, 27659), (1627, 12257), (1751, 11389)]