19611050

素因数分解:

$2^1\times 5^2\times {\mathrm{392221}}^1$

素因数の和:392233

約数の個数: 12

約数和(自身を含む): 36476646

約数和(自身を除く): 16865596

約数列:

[1, 2, 5, 10, 25, 50, 392221, 784442, 1961105, 3922210, 9805525, 19611050]

約数ペア:

[(1, 19611050), (2, 9805525), (5, 3922210), (10, 1961105), (25, 784442), (50, 392221)]