18840856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{123953}}^1$

素因数の和:123978

約数の個数: 16

約数和(自身を含む): 37186200

約数和(自身を除く): 18345344

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 123953, 247906, 495812, 991624, 2355107, 4710214, 9420428, 18840856]

約数ペア:

[(1, 18840856), (2, 9420428), (4, 4710214), (8, 2355107), (19, 991624), (38, 495812), (76, 247906), (152, 123953)]