18538161

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1553}}^1$

素因数の和:1752

約数の個数: 16

約数和(自身を含む): 25958016

約数和(自身を除く): 7419855

約数列:

[1, 3, 23, 69, 173, 519, 1553, 3979, 4659, 11937, 35719, 107157, 268669, 806007, 6179387, 18538161]

約数ペア:

[(1, 18538161), (3, 6179387), (23, 806007), (69, 268669), (173, 107157), (519, 35719), (1553, 11937), (3979, 4659)]