18854554

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{809}}^1$

素因数の和:1125

約数の個数: 16

約数和(自身を含む): 29082240

約数和(自身を除く): 10227686

約数列:

[1, 2, 43, 86, 271, 542, 809, 1618, 11653, 23306, 34787, 69574, 219239, 438478, 9427277, 18854554]

約数ペア:

[(1, 18854554), (2, 9427277), (43, 438478), (86, 219239), (271, 69574), (542, 34787), (809, 23306), (1618, 11653)]