18894236

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{66529}}^1$

素因数の和:66604

約数の個数: 12

約数和(自身を含む): 33531120

約数和(自身を除く): 14636884

約数列:

[1, 2, 4, 71, 142, 284, 66529, 133058, 266116, 4723559, 9447118, 18894236]

約数ペア:

[(1, 18894236), (2, 9447118), (4, 4723559), (71, 266116), (142, 133058), (284, 66529)]