19168180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56377}}^1$

素因数の和:56403

約数の個数: 24

約数和(自身を含む): 42621768

約数和(自身を除く): 23453588

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56377, 112754, 225508, 281885, 563770, 958409, 1127540, 1916818, 3833636, 4792045, 9584090, 19168180]

約数ペア:

[(1, 19168180), (2, 9584090), (4, 4792045), (5, 3833636), (10, 1916818), (17, 1127540), (20, 958409), (34, 563770), (68, 281885), (85, 225508), (170, 112754), (340, 56377)]