19929119

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5167}}^1$

素因数の和:5222

約数の個数: 16

約数和(自身を含む): 24806400

約数和(自身を除く): 4877281

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5167, 36169, 98173, 149843, 687211, 1048901, 2847017, 19929119]

約数ペア:

[(1, 19929119), (7, 2847017), (19, 1048901), (29, 687211), (133, 149843), (203, 98173), (551, 36169), (3857, 5167)]