19211260

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1471}}^1$

素因数の和:2133

約数の個数: 24

約数和(自身を含む): 40432896

約数和(自身を除く): 21221636

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 1471, 2612, 2942, 3265, 5884, 6530, 7355, 13060, 14710, 29420, 960563, 1921126, 3842252, 4802815, 9605630, 19211260]

約数ペア:

[(1, 19211260), (2, 9605630), (4, 4802815), (5, 3842252), (10, 1921126), (20, 960563), (653, 29420), (1306, 14710), (1471, 13060), (2612, 7355), (2942, 6530), (3265, 5884)]