19213960

素因数分解:

$2^3\times 5^1\times {\mathrm{480349}}^1$

素因数の和:480360

約数の個数: 16

約数和(自身を含む): 43231500

約数和(自身を除く): 24017540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 480349, 960698, 1921396, 2401745, 3842792, 4803490, 9606980, 19213960]

約数ペア:

[(1, 19213960), (2, 9606980), (4, 4803490), (5, 3842792), (8, 2401745), (10, 1921396), (20, 960698), (40, 480349)]