19455207

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 26484480

約数和(自身を除く): 7029273

約数列:

[1, 3, 71, 213, 241, 379, 723, 1137, 17111, 26909, 51333, 80727, 91339, 274017, 6485069, 19455207]

約数ペア:

[(1, 19455207), (3, 6485069), (71, 274017), (213, 91339), (241, 80727), (379, 51333), (723, 26909), (1137, 17111)]