18791843

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6287}}^1$

素因数の和:6362

約数の個数: 12

約数和(自身を含む): 22221792

約数和(自身を除く): 3429949

約数列:

[1, 7, 49, 61, 427, 2989, 6287, 44009, 308063, 383507, 2684549, 18791843]

約数ペア:

[(1, 18791843), (7, 2684549), (49, 383507), (61, 308063), (427, 44009), (2989, 6287)]