18372991

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{28843}}^1$

素因数の和:28870

約数の個数: 12

約数和(自身を含む): 23017512

約数和(自身を除く): 4644521

約数列:

[1, 7, 13, 49, 91, 637, 28843, 201901, 374959, 1413307, 2624713, 18372991]

約数ペア:

[(1, 18372991), (7, 2624713), (13, 1413307), (49, 374959), (91, 201901), (637, 28843)]