2018004405

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3128689}}^1$

素因数の和:3128740

約数の個数: 16

約数和(自身を含む): 3303896640

約数和(自身を除く): 1285892235

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 3128689, 9386067, 15643445, 46930335, 134533627, 403600881, 672668135, 2018004405]

約数ペア:

[(1, 2018004405), (3, 672668135), (5, 403600881), (15, 134533627), (43, 46930335), (129, 15643445), (215, 9386067), (645, 3128689)]