2019118059

素因数分解:

$3^2\times 7^2\times {\mathrm{4578499}}^1$

素因数の和:4578519

約数の個数: 18

約数和(自身を含む): 3392668500

約数和(自身を除く): 1373550441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4578499, 13735497, 32049493, 41206491, 96148479, 224346451, 288445437, 673039353, 2019118059]

約数ペア:

[(1, 2019118059), (3, 673039353), (7, 288445437), (9, 224346451), (21, 96148479), (49, 41206491), (63, 32049493), (147, 13735497), (441, 4578499)]