19504970

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9901}}^1$

素因数の和:10105

約数の個数: 16

約数和(自身を含む): 35290728

約数和(自身を除く): 15785758

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 9901, 19802, 49505, 99010, 1950497, 3900994, 9752485, 19504970]

約数ペア:

[(1, 19504970), (2, 9752485), (5, 3900994), (10, 1950497), (197, 99010), (394, 49505), (985, 19802), (1970, 9901)]