19064420

素因数分解:

$2^2\times 5^1\times {\mathrm{953221}}^1$

素因数の和:953230

約数の個数: 12

約数和(自身を含む): 40035324

約数和(自身を除く): 20970904

約数列:

[1, 2, 4, 5, 10, 20, 953221, 1906442, 3812884, 4766105, 9532210, 19064420]

約数ペア:

[(1, 19064420), (2, 9532210), (4, 4766105), (5, 3812884), (10, 1906442), (20, 953221)]