18061540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129011}}^1$

素因数の和:129027

約数の個数: 24

約数和(自身を含む): 43348032

約数和(自身を除く): 25286492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129011, 258022, 516044, 645055, 903077, 1290110, 1806154, 2580220, 3612308, 4515385, 9030770, 18061540]

約数ペア:

[(1, 18061540), (2, 9030770), (4, 4515385), (5, 3612308), (7, 2580220), (10, 1806154), (14, 1290110), (20, 903077), (28, 645055), (35, 516044), (70, 258022), (140, 129011)]