19825317

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{787}}^1$

素因数の和:1110

約数の個数: 20

約数和(自身を含む): 29748576

約数和(自身を除く): 9923259

約数列:

[1, 3, 9, 27, 81, 311, 787, 933, 2361, 2799, 7083, 8397, 21249, 25191, 63747, 244757, 734271, 2202813, 6608439, 19825317]

約数ペア:

[(1, 19825317), (3, 6608439), (9, 2202813), (27, 734271), (81, 244757), (311, 63747), (787, 25191), (933, 21249), (2361, 8397), (2799, 7083)]