18810549

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{883}}^1$

素因数の和:1158

約数の個数: 20

約数和(自身を含む): 28238496

約数和(自身を除く): 9427947

約数列:

[1, 3, 9, 27, 81, 263, 789, 883, 2367, 2649, 7101, 7947, 21303, 23841, 71523, 232229, 696687, 2090061, 6270183, 18810549]

約数ペア:

[(1, 18810549), (3, 6270183), (9, 2090061), (27, 696687), (81, 232229), (263, 71523), (789, 23841), (883, 21303), (2367, 7947), (2649, 7101)]