18305907

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2089}}^1$

素因数の和:2242

約数の個数: 16

約数和(自身を含む): 25681920

約数和(自身を除く): 7376013

約数列:

[1, 3, 23, 69, 127, 381, 2089, 2921, 6267, 8763, 48047, 144141, 265303, 795909, 6101969, 18305907]

約数ペア:

[(1, 18305907), (3, 6101969), (23, 795909), (69, 265303), (127, 144141), (381, 48047), (2089, 8763), (2921, 6267)]