17990180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69193}}^1$

素因数の和:69215

約数の個数: 24

約数和(自身を含む): 40686072

約数和(自身を除く): 22695892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69193, 138386, 276772, 345965, 691930, 899509, 1383860, 1799018, 3598036, 4497545, 8995090, 17990180]

約数ペア:

[(1, 17990180), (2, 8995090), (4, 4497545), (5, 3598036), (10, 1799018), (13, 1383860), (20, 899509), (26, 691930), (52, 345965), (65, 276772), (130, 138386), (260, 69193)]