19938423

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{937}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 27419616

約数和(自身を除く): 7481193

約数列:

[1, 3, 41, 123, 173, 519, 937, 2811, 7093, 21279, 38417, 115251, 162101, 486303, 6646141, 19938423]

約数ペア:

[(1, 19938423), (3, 6646141), (41, 486303), (123, 162101), (173, 115251), (519, 38417), (937, 21279), (2811, 7093)]