19906670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2609}}^1$

素因数の和:2732

約数の個数: 32

約数和(自身を含む): 41342400

約数和(自身を除く): 21435730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2609, 3815, 5218, 7630, 13045, 18263, 26090, 36526, 91315, 182630, 284381, 568762, 1421905, 1990667, 2843810, 3981334, 9953335, 19906670]

約数ペア:

[(1, 19906670), (2, 9953335), (5, 3981334), (7, 2843810), (10, 1990667), (14, 1421905), (35, 568762), (70, 284381), (109, 182630), (218, 91315), (545, 36526), (763, 26090), (1090, 18263), (1526, 13045), (2609, 7630), (3815, 5218)]