18685499

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6827}}^1$

素因数の和:6874

約数の個数: 16

約数和(自身を含む): 23597568

約数和(自身を除く): 4912069

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 6827, 47789, 116059, 157021, 812413, 1099147, 2669357, 18685499]

約数ペア:

[(1, 18685499), (7, 2669357), (17, 1099147), (23, 812413), (119, 157021), (161, 116059), (391, 47789), (2737, 6827)]