18719434

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:861

約数の個数: 16

約数和(自身を含む): 28645056

約数和(自身を除く): 9925622

約数列:

[1, 2, 71, 142, 241, 482, 547, 1094, 17111, 34222, 38837, 77674, 131827, 263654, 9359717, 18719434]

約数ペア:

[(1, 18719434), (2, 9359717), (71, 263654), (142, 131827), (241, 77674), (482, 38837), (547, 34222), (1094, 17111)]