2019910396

素因数分解:

$2^2\times 7^1\times {\mathrm{72139657}}^1$

素因数の和:72139668

約数の個数: 12

約数和(自身を含む): 4039820848

約数和(自身を除く): 2019910452

約数列:

[1, 2, 4, 7, 14, 28, 72139657, 144279314, 288558628, 504977599, 1009955198, 2019910396]

約数ペア:

[(1, 2019910396), (2, 1009955198), (4, 504977599), (7, 288558628), (14, 144279314), (28, 72139657)]