18310180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130787}}^1$

素因数の和:130803

約数の個数: 24

約数和(自身を含む): 43944768

約数和(自身を除く): 25634588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130787, 261574, 523148, 653935, 915509, 1307870, 1831018, 2615740, 3662036, 4577545, 9155090, 18310180]

約数ペア:

[(1, 18310180), (2, 9155090), (4, 4577545), (5, 3662036), (7, 2615740), (10, 1831018), (14, 1307870), (20, 915509), (28, 653935), (35, 523148), (70, 261574), (140, 130787)]