17751994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 12084806

約数列:

[1, 2, 13, 26, 47, 73, 94, 146, 199, 398, 611, 949, 1222, 1898, 2587, 3431, 5174, 6862, 9353, 14527, 18706, 29054, 44603, 89206, 121589, 188851, 243178, 377702, 682769, 1365538, 8875997, 17751994]

約数ペア:

[(1, 17751994), (2, 8875997), (13, 1365538), (26, 682769), (47, 377702), (73, 243178), (94, 188851), (146, 121589), (199, 89206), (398, 44603), (611, 29054), (949, 18706), (1222, 14527), (1898, 9353), (2587, 6862), (3431, 5174)]