19812754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{883}}^1$

素因数の和:1761

約数の個数: 16

約数和(自身を含む): 32078592

約数和(自身を除く): 12265838

約数列:

[1, 2, 13, 26, 863, 883, 1726, 1766, 11219, 11479, 22438, 22958, 762029, 1524058, 9906377, 19812754]

約数ペア:

[(1, 19812754), (2, 9906377), (13, 1524058), (26, 762029), (863, 22958), (883, 22438), (1726, 11479), (1766, 11219)]