2018011919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{2647}}^1\times {\mathrm{9901}}^1$

素因数の和:12566

約数の個数: 16

約数和(自身を含む): 2517167616

約数和(自身を除く): 499155697

約数列:

[1, 7, 11, 77, 2647, 9901, 18529, 29117, 69307, 108911, 203819, 762377, 26207947, 183455629, 288287417, 2018011919]

約数ペア:

[(1, 2018011919), (7, 288287417), (11, 183455629), (77, 26207947), (2647, 762377), (9901, 203819), (18529, 108911), (29117, 69307)]