19654317

素因数分解:

$3^2\times {\mathrm{83}}^2\times {\mathrm{317}}^1$

素因数の和:489

約数の個数: 18

約数和(自身を含む): 28826382

約数和(自身を除く): 9172065

約数列:

[1, 3, 9, 83, 249, 317, 747, 951, 2853, 6889, 20667, 26311, 62001, 78933, 236799, 2183813, 6551439, 19654317]

約数ペア:

[(1, 19654317), (3, 6551439), (9, 2183813), (83, 236799), (249, 78933), (317, 62001), (747, 26311), (951, 20667), (2853, 6889)]