18931570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270451}}^1$

素因数の和:270465

約数の個数: 16

約数和(自身を含む): 38945088

約数和(自身を除く): 20013518

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270451, 540902, 1352255, 1893157, 2704510, 3786314, 9465785, 18931570]

約数ペア:

[(1, 18931570), (2, 9465785), (5, 3786314), (7, 2704510), (10, 1893157), (14, 1352255), (35, 540902), (70, 270451)]