18609940

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1061}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 39162312

約数和(自身を除く): 20552372

約数列:

[1, 2, 4, 5, 10, 20, 877, 1061, 1754, 2122, 3508, 4244, 4385, 5305, 8770, 10610, 17540, 21220, 930497, 1860994, 3721988, 4652485, 9304970, 18609940]

約数ペア:

[(1, 18609940), (2, 9304970), (4, 4652485), (5, 3721988), (10, 1860994), (20, 930497), (877, 21220), (1061, 17540), (1754, 10610), (2122, 8770), (3508, 5305), (4244, 4385)]