18426597

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1217}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 28881216

約数和(自身を除く): 10454619

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 1217, 2163, 3651, 5047, 8519, 15141, 25557, 59633, 125351, 178899, 376053, 877457, 2632371, 6142199, 18426597]

約数ペア:

[(1, 18426597), (3, 6142199), (7, 2632371), (21, 877457), (49, 376053), (103, 178899), (147, 125351), (309, 59633), (721, 25557), (1217, 15141), (2163, 8519), (3651, 5047)]