18728522

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131891}}^1$

素因数の和:131964

約数の個数: 8

約数和(自身を含む): 28488672

約数和(自身を除く): 9760150

約数列:

[1, 2, 71, 142, 131891, 263782, 9364261, 18728522]

約数ペア:

[(1, 18728522), (2, 9364261), (71, 263782), (142, 131891)]