18072515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{677}}^1$

素因数の和:982

約数の個数: 16

約数和(自身を含む): 22943520

約数和(自身を除く): 4871005

約数列:

[1, 5, 19, 95, 281, 677, 1405, 3385, 5339, 12863, 26695, 64315, 190237, 951185, 3614503, 18072515]

約数ペア:

[(1, 18072515), (5, 3614503), (19, 951185), (95, 190237), (281, 64315), (677, 26695), (1405, 12863), (3385, 5339)]