18137438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43391}}^1$

素因数の和:43423

約数の個数: 16

約数和(自身を含む): 31242240

約数和(自身を除く): 13104802

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 43391, 86782, 477301, 824429, 954602, 1648858, 9068719, 18137438]

約数ペア:

[(1, 18137438), (2, 9068719), (11, 1648858), (19, 954602), (22, 824429), (38, 477301), (209, 86782), (418, 43391)]