19866303

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4157}}^1$

素因数の和:4228

約数の個数: 20

約数和(自身を含む): 30187080

約数和(自身を除く): 10320777

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4157, 4779, 12471, 37413, 112239, 245263, 336717, 735789, 2207367, 6622101, 19866303]

約数ペア:

[(1, 19866303), (3, 6622101), (9, 2207367), (27, 735789), (59, 336717), (81, 245263), (177, 112239), (531, 37413), (1593, 12471), (4157, 4779)]