18980180

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4073}}^1$

素因数の和:4315

約数の個数: 24

約数和(自身を含む): 40039272

約数和(自身を除く): 21059092

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4073, 4660, 8146, 16292, 20365, 40730, 81460, 949009, 1898018, 3796036, 4745045, 9490090, 18980180]

約数ペア:

[(1, 18980180), (2, 9490090), (4, 4745045), (5, 3796036), (10, 1898018), (20, 949009), (233, 81460), (466, 40730), (932, 20365), (1165, 16292), (2330, 8146), (4073, 4660)]