18999260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19387}}^1$

素因数の和:19410

約数の個数: 36

約数和(自身を含む): 46414872

約数和(自身を除く): 27415612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19387, 38774, 77548, 96935, 135709, 193870, 271418, 387740, 542836, 678545, 949963, 1357090, 1899926, 2714180, 3799852, 4749815, 9499630, 18999260]

約数ペア:

[(1, 18999260), (2, 9499630), (4, 4749815), (5, 3799852), (7, 2714180), (10, 1899926), (14, 1357090), (20, 949963), (28, 678545), (35, 542836), (49, 387740), (70, 271418), (98, 193870), (140, 135709), (196, 96935), (245, 77548), (490, 38774), (980, 19387)]