2019407516

素因数分解:

$2^2\times 7^1\times {\mathrm{72121697}}^1$

素因数の和:72121708

約数の個数: 12

約数和(自身を含む): 4038815088

約数和(自身を除く): 2019407572

約数列:

[1, 2, 4, 7, 14, 28, 72121697, 144243394, 288486788, 504851879, 1009703758, 2019407516]

約数ペア:

[(1, 2019407516), (2, 1009703758), (4, 504851879), (7, 288486788), (14, 144243394), (28, 72121697)]