19901509

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{2213}}^1$

素因数の和:2276

約数の個数: 12

約数和(自身を含む): 22038156

約数和(自身を除く): 2136647

約数列:

[1, 17, 23, 391, 529, 2213, 8993, 37621, 50899, 865283, 1170677, 19901509]

約数ペア:

[(1, 19901509), (17, 1170677), (23, 865283), (391, 50899), (529, 37621), (2213, 8993)]