18287588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{415627}}^1$

素因数の和:415642

約数の個数: 12

約数和(自身を含む): 34912752

約数和(自身を除く): 16625164

約数列:

[1, 2, 4, 11, 22, 44, 415627, 831254, 1662508, 4571897, 9143794, 18287588]

約数ペア:

[(1, 18287588), (2, 9143794), (4, 4571897), (11, 1662508), (22, 831254), (44, 415627)]