18494180

素因数分解:

$2^2\times 5^1\times {\mathrm{924709}}^1$

素因数の和:924718

約数の個数: 12

約数和(自身を含む): 38837820

約数和(自身を除く): 20343640

約数列:

[1, 2, 4, 5, 10, 20, 924709, 1849418, 3698836, 4623545, 9247090, 18494180]

約数ペア:

[(1, 18494180), (2, 9247090), (4, 4623545), (5, 3698836), (10, 1849418), (20, 924709)]