18018032

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26189}}^1$

素因数の和:26240

約数の個数: 20

約数和(自身を含む): 35723160

約数和(自身を除く): 17705128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26189, 52378, 104756, 209512, 419024, 1126127, 2252254, 4504508, 9009016, 18018032]

約数ペア:

[(1, 18018032), (2, 9009016), (4, 4504508), (8, 2252254), (16, 1126127), (43, 419024), (86, 209512), (172, 104756), (344, 52378), (688, 26189)]