18742379643

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17799031}}^1$

素因数の和:17799056

約数の個数: 20

約数和(自身を含む): 30151560208

約数和(自身を除く): 11409180565

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17799031, 53397093, 160191279, 231387403, 480573837, 694162209, 1441721511, 2082486627, 6247459881, 18742379643]

約数ペア:

[(1, 18742379643), (3, 6247459881), (9, 2082486627), (13, 1441721511), (27, 694162209), (39, 480573837), (81, 231387403), (117, 160191279), (351, 53397093), (1053, 17799031)]