18649286

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2153}}^1$

素因数の和:2287

約数の個数: 16

約数和(自身を含む): 28846368

約数和(自身を除く): 10197082

約数列:

[1, 2, 61, 71, 122, 142, 2153, 4306, 4331, 8662, 131333, 152863, 262666, 305726, 9324643, 18649286]

約数ペア:

[(1, 18649286), (2, 9324643), (61, 305726), (71, 262666), (122, 152863), (142, 131333), (2153, 8662), (4306, 4331)]