19644986050

素因数分解:

$2^1\times 5^2\times {\mathrm{392899721}}^1$

素因数の和:392899733

約数の個数: 12

約数和(自身を含む): 36539674146

約数和(自身を除く): 16894688096

約数列:

[1, 2, 5, 10, 25, 50, 392899721, 785799442, 1964498605, 3928997210, 9822493025, 19644986050]

約数ペア:

[(1, 19644986050), (2, 9822493025), (5, 3928997210), (10, 1964498605), (25, 785799442), (50, 392899721)]