18532978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{887}}^1$

素因数の和:1257

約数の個数: 16

約数和(自身を含む): 28813824

約数和(自身を除く): 10280846

約数列:

[1, 2, 31, 62, 337, 674, 887, 1774, 10447, 20894, 27497, 54994, 298919, 597838, 9266489, 18532978]

約数ペア:

[(1, 18532978), (2, 9266489), (31, 597838), (62, 298919), (337, 54994), (674, 27497), (887, 20894), (1774, 10447)]