18540418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23003}}^1$

素因数の和:23049

約数の個数: 16

約数和(自身を含む): 30917376

約数和(自身を除く): 12376958

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23003, 46006, 299039, 598078, 713093, 1426186, 9270209, 18540418]

約数ペア:

[(1, 18540418), (2, 9270209), (13, 1426186), (26, 713093), (31, 598078), (62, 299039), (403, 46006), (806, 23003)]