18858452

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{66403}}^1$

素因数の和:66478

約数の個数: 12

約数和(自身を含む): 33467616

約数和(自身を除く): 14609164

約数列:

[1, 2, 4, 71, 142, 284, 66403, 132806, 265612, 4714613, 9429226, 18858452]

約数ペア:

[(1, 18858452), (2, 9429226), (4, 4714613), (71, 265612), (142, 132806), (284, 66403)]