18908260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135059}}^1$

素因数の和:135075

約数の個数: 24

約数和(自身を含む): 45380160

約数和(自身を除く): 26471900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135059, 270118, 540236, 675295, 945413, 1350590, 1890826, 2701180, 3781652, 4727065, 9454130, 18908260]

約数ペア:

[(1, 18908260), (2, 9454130), (4, 4727065), (5, 3781652), (7, 2701180), (10, 1890826), (14, 1350590), (20, 945413), (28, 675295), (35, 540236), (70, 270118), (140, 135059)]