18862251

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2003}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 26100096

約数和(自身を除く): 7237845

約数列:

[1, 3, 43, 73, 129, 219, 2003, 3139, 6009, 9417, 86129, 146219, 258387, 438657, 6287417, 18862251]

約数ペア:

[(1, 18862251), (3, 6287417), (43, 438657), (73, 258387), (129, 146219), (219, 86129), (2003, 9417), (3139, 6009)]