18606847

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 21745152

約数和(自身を除く): 3138305

約数列:

[1, 7, 103, 131, 197, 721, 917, 1379, 13493, 20291, 25807, 94451, 142037, 180649, 2658121, 18606847]

約数ペア:

[(1, 18606847), (7, 2658121), (103, 180649), (131, 142037), (197, 94451), (721, 25807), (917, 20291), (1379, 13493)]