2019926505

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3131669}}^1$

素因数の和:3131720

約数の個数: 16

約数和(自身を含む): 3307043520

約数和(自身を除く): 1287117015

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 3131669, 9395007, 15658345, 46975035, 134661767, 403985301, 673308835, 2019926505]

約数ペア:

[(1, 2019926505), (3, 673308835), (5, 403985301), (15, 134661767), (43, 46975035), (129, 15658345), (215, 9395007), (645, 3131669)]