18211445

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6269}}^1$

素因数の和:6364

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 7069195

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 6269, 31345, 43883, 219415, 520327, 2601635, 3642289, 18211445]

約数ペア:

[(1, 18211445), (5, 3642289), (7, 2601635), (35, 520327), (83, 219415), (415, 43883), (581, 31345), (2905, 6269)]