18979246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{66361}}^1$

素因数の和:66387

約数の個数: 16

約数和(自身を含む): 33446448

約数和(自身を除く): 14467202

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 66361, 132722, 729971, 862693, 1459942, 1725386, 9489623, 18979246]

約数ペア:

[(1, 18979246), (2, 9489623), (11, 1725386), (13, 1459942), (22, 862693), (26, 729971), (143, 132722), (286, 66361)]