18485138

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69493}}^1$

素因数の和:69521

約数の個数: 16

約数和(自身を含む): 33357120

約数和(自身を除く): 14871982

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 69493, 138986, 486451, 972902, 1320367, 2640734, 9242569, 18485138]

約数ペア:

[(1, 18485138), (2, 9242569), (7, 2640734), (14, 1320367), (19, 972902), (38, 486451), (133, 138986), (266, 69493)]