19322980

素因数分解:

$2^2\times 5^1\times {\mathrm{966149}}^1$

素因数の和:966158

約数の個数: 12

約数和(自身を含む): 40578300

約数和(自身を除く): 21255320

約数列:

[1, 2, 4, 5, 10, 20, 966149, 1932298, 3864596, 4830745, 9661490, 19322980]

約数ペア:

[(1, 19322980), (2, 9661490), (4, 4830745), (5, 3864596), (10, 1932298), (20, 966149)]