18290523

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2114

約数の個数: 16

約数和(自身を含む): 25318656

約数和(自身を除く): 7028133

約数列:

[1, 3, 43, 71, 129, 213, 1997, 3053, 5991, 9159, 85871, 141787, 257613, 425361, 6096841, 18290523]

約数ペア:

[(1, 18290523), (3, 6096841), (43, 425361), (71, 257613), (129, 141787), (213, 85871), (1997, 9159), (3053, 5991)]