18106865

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 26320896

約数和(自身を除く): 8214031

約数列:

[1, 5, 7, 23, 35, 83, 115, 161, 271, 415, 581, 805, 1355, 1897, 1909, 2905, 6233, 9485, 9545, 13363, 22493, 31165, 43631, 66815, 112465, 157451, 218155, 517339, 787255, 2586695, 3621373, 18106865]

約数ペア:

[(1, 18106865), (5, 3621373), (7, 2586695), (23, 787255), (35, 517339), (83, 218155), (115, 157451), (161, 112465), (271, 66815), (415, 43631), (581, 31165), (805, 22493), (1355, 13363), (1897, 9545), (1909, 9485), (2905, 6233)]