19201312730

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1925909}}^1$

素因数の和:1926913

約数の個数: 16

約数和(自身を含む): 34597047240

約数和(自身を除く): 15395734510

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 9970, 1925909, 3851818, 9629545, 19259090, 1920131273, 3840262546, 9600656365, 19201312730]

約数ペア:

[(1, 19201312730), (2, 9600656365), (5, 3840262546), (10, 1920131273), (997, 19259090), (1994, 9629545), (4985, 3851818), (9970, 1925909)]