18426782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1999}}^1$

素因数の和:2431

約数の個数: 16

約数和(自身を含む): 30240000

約数和(自身を除く): 11813218

約数列:

[1, 2, 11, 22, 419, 838, 1999, 3998, 4609, 9218, 21989, 43978, 837581, 1675162, 9213391, 18426782]

約数ペア:

[(1, 18426782), (2, 9213391), (11, 1675162), (22, 837581), (419, 43978), (838, 21989), (1999, 9218), (3998, 4609)]