18799729

素因数分解:

${\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 16

約数和(自身を含む): 20944000

約数和(自身を除く): 2144271

約数列:

[1, 13, 43, 169, 199, 559, 2197, 2587, 7267, 8557, 33631, 94471, 111241, 437203, 1446133, 18799729]

約数ペア:

[(1, 18799729), (13, 1446133), (43, 437203), (169, 111241), (199, 94471), (559, 33631), (2197, 8557), (2587, 7267)]