18457870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25997}}^1$

素因数の和:26075

約数の個数: 16

約数和(自身を含む): 33693408

約数和(自身を除く): 15235538

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 25997, 51994, 129985, 259970, 1845787, 3691574, 9228935, 18457870]

約数ペア:

[(1, 18457870), (2, 9228935), (5, 3691574), (10, 1845787), (71, 259970), (142, 129985), (355, 51994), (710, 25997)]