18902380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135017}}^1$

素因数の和:135033

約数の個数: 24

約数和(自身を含む): 45366048

約数和(自身を除く): 26463668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135017, 270034, 540068, 675085, 945119, 1350170, 1890238, 2700340, 3780476, 4725595, 9451190, 18902380]

約数ペア:

[(1, 18902380), (2, 9451190), (4, 4725595), (5, 3780476), (7, 2700340), (10, 1890238), (14, 1350170), (20, 945119), (28, 675085), (35, 540068), (70, 270034), (140, 135017)]