19255991

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 21012480

約数和(自身を除く): 1756489

約数列:

[1, 23, 31, 113, 239, 713, 2599, 3503, 5497, 7409, 27007, 80569, 170407, 621161, 837217, 19255991]

約数ペア:

[(1, 19255991), (23, 837217), (31, 621161), (113, 170407), (239, 80569), (713, 27007), (2599, 7409), (3503, 5497)]