19778060

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9601}}^1$

素因数の和:9713

約数の個数: 24

約数和(自身を含む): 41941536

約数和(自身を除く): 22163476

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9601, 19202, 38404, 48005, 96010, 192020, 988903, 1977806, 3955612, 4944515, 9889030, 19778060]

約数ペア:

[(1, 19778060), (2, 9889030), (4, 4944515), (5, 3955612), (10, 1977806), (20, 988903), (103, 192020), (206, 96010), (412, 48005), (515, 38404), (1030, 19202), (2060, 9601)]