18986031

素因数分解:

$3^2\times {\mathrm{53}}^2\times {\mathrm{751}}^1$

素因数の和:863

約数の個数: 18

約数和(自身を含む): 27988688

約数和(自身を除く): 9002657

約数列:

[1, 3, 9, 53, 159, 477, 751, 2253, 2809, 6759, 8427, 25281, 39803, 119409, 358227, 2109559, 6328677, 18986031]

約数ペア:

[(1, 18986031), (3, 6328677), (9, 2109559), (53, 358227), (159, 119409), (477, 39803), (751, 25281), (2253, 8427), (2809, 6759)]