18388664667

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{103889}}^1$

素因数の和:104243

約数の個数: 24

約数和(自身を含む): 27033009120

約数和(自身を除く): 8644344453

約数列:

[1, 3, 9, 71, 213, 277, 639, 831, 2493, 19667, 59001, 103889, 177003, 311667, 935001, 7376119, 22128357, 28777253, 66385071, 86331759, 258995277, 2043184963, 6129554889, 18388664667]

約数ペア:

[(1, 18388664667), (3, 6129554889), (9, 2043184963), (71, 258995277), (213, 86331759), (277, 66385071), (639, 28777253), (831, 22128357), (2493, 7376119), (19667, 935001), (59001, 311667), (103889, 177003)]