18888979707

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53814757}}^1$

素因数の和:53814779

約数の個数: 16

約数和(自身を含む): 30136264480

約数和(自身を除く): 11247284773

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53814757, 161444271, 484332813, 699591841, 1452998439, 2098775523, 6296326569, 18888979707]

約数ペア:

[(1, 18888979707), (3, 6296326569), (9, 2098775523), (13, 1452998439), (27, 699591841), (39, 484332813), (117, 161444271), (351, 53814757)]