18087715

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4051}}^1$

素因数の和:4122

約数の個数: 16

約数和(自身を含む): 23339520

約数和(自身を除く): 5251805

約数列:

[1, 5, 19, 47, 95, 235, 893, 4051, 4465, 20255, 76969, 190397, 384845, 951985, 3617543, 18087715]

約数ペア:

[(1, 18087715), (5, 3617543), (19, 951985), (47, 384845), (95, 190397), (235, 76969), (893, 20255), (4051, 4465)]