18245437

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 22988160

約数和(自身を除く): 4742723

約数列:

[1, 7, 17, 29, 119, 203, 289, 311, 493, 2023, 2177, 3451, 5287, 8381, 9019, 37009, 58667, 63133, 89879, 153323, 629153, 1073261, 2606491, 18245437]

約数ペア:

[(1, 18245437), (7, 2606491), (17, 1073261), (29, 629153), (119, 153323), (203, 89879), (289, 63133), (311, 58667), (493, 37009), (2023, 9019), (2177, 8381), (3451, 5287)]