17988985

素因数分解:

$5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1187}}^1$

素因数の和:1632

約数の個数: 16

約数和(自身を含む): 24748416

約数和(自身を除く): 6759431

約数列:

[1, 5, 7, 35, 433, 1187, 2165, 3031, 5935, 8309, 15155, 41545, 513971, 2569855, 3597797, 17988985]

約数ペア:

[(1, 17988985), (5, 3597797), (7, 2569855), (35, 513971), (433, 41545), (1187, 15155), (2165, 8309), (3031, 5935)]