18809391

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 6799569

約数列:

[1, 3, 71, 213, 233, 379, 699, 1137, 16543, 26909, 49629, 80727, 88307, 264921, 6269797, 18809391]

約数ペア:

[(1, 18809391), (3, 6269797), (71, 264921), (213, 88307), (233, 80727), (379, 49629), (699, 26909), (1137, 16543)]