18245913

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{51109}}^1$

素因数の和:51136

約数の個数: 16

約数和(自身を含む): 29439360

約数和(自身を除く): 11193447

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 51109, 153327, 357763, 868853, 1073289, 2606559, 6081971, 18245913]

約数ペア:

[(1, 18245913), (3, 6081971), (7, 2606559), (17, 1073289), (21, 868853), (51, 357763), (119, 153327), (357, 51109)]