18224919

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3169}}^1$

素因数の和:3252

約数の個数: 20

約数和(自身を含む): 27617040

約数和(自身を除く): 9392121

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3169, 5751, 9507, 28521, 85563, 224999, 256689, 674997, 2024991, 6074973, 18224919]

約数ペア:

[(1, 18224919), (3, 6074973), (9, 2024991), (27, 674997), (71, 256689), (81, 224999), (213, 85563), (639, 28521), (1917, 9507), (3169, 5751)]