18039854

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67819}}^1$

素因数の和:67847

約数の個数: 16

約数和(自身を含む): 32553600

約数和(自身を除く): 14513746

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 67819, 135638, 474733, 949466, 1288561, 2577122, 9019927, 18039854]

約数ペア:

[(1, 18039854), (2, 9019927), (7, 2577122), (14, 1288561), (19, 949466), (38, 474733), (133, 135638), (266, 67819)]