19535180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139537}}^1$

素因数の和:139553

約数の個数: 24

約数和(自身を含む): 46884768

約数和(自身を除く): 27349588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139537, 279074, 558148, 697685, 976759, 1395370, 1953518, 2790740, 3907036, 4883795, 9767590, 19535180]

約数ペア:

[(1, 19535180), (2, 9767590), (4, 4883795), (5, 3907036), (7, 2790740), (10, 1953518), (14, 1395370), (20, 976759), (28, 697685), (35, 558148), (70, 279074), (140, 139537)]