18422020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48479}}^1$

素因数の和:48507

約数の個数: 24

約数和(自身を含む): 40723200

約数和(自身を除く): 22301180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48479, 96958, 193916, 242395, 484790, 921101, 969580, 1842202, 3684404, 4605505, 9211010, 18422020]

約数ペア:

[(1, 18422020), (2, 9211010), (4, 4605505), (5, 3684404), (10, 1842202), (19, 969580), (20, 921101), (38, 484790), (76, 242395), (95, 193916), (190, 96958), (380, 48479)]