18805797

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{3301}}^1$

素因数の和:3521

約数の個数: 16

約数和(自身を含む): 28000960

約数和(自身を除く): 9195163

約数列:

[1, 3, 9, 27, 211, 633, 1899, 3301, 5697, 9903, 29709, 89127, 696511, 2089533, 6268599, 18805797]

約数ペア:

[(1, 18805797), (3, 6268599), (9, 2089533), (27, 696511), (211, 89127), (633, 29709), (1899, 9903), (3301, 5697)]