18925340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135181}}^1$

素因数の和:135197

約数の個数: 24

約数和(自身を含む): 45421152

約数和(自身を除く): 26495812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135181, 270362, 540724, 675905, 946267, 1351810, 1892534, 2703620, 3785068, 4731335, 9462670, 18925340]

約数ペア:

[(1, 18925340), (2, 9462670), (4, 4731335), (5, 3785068), (7, 2703620), (10, 1892534), (14, 1351810), (20, 946267), (28, 675905), (35, 540724), (70, 270362), (140, 135181)]