18752489

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 22364160

約数和(自身を除く): 3611671

約数列:

[1, 7, 31, 103, 217, 721, 839, 3193, 5873, 22351, 26009, 86417, 182063, 604919, 2678927, 18752489]

約数ペア:

[(1, 18752489), (7, 2678927), (31, 604919), (103, 182063), (217, 86417), (721, 26009), (839, 22351), (3193, 5873)]