18221986

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{3541}}^1$

素因数の和:3657

約数の個数: 16

約数和(自身を含む): 28562688

約数和(自身を除く): 10340702

約数列:

[1, 2, 31, 62, 83, 166, 2573, 3541, 5146, 7082, 109771, 219542, 293903, 587806, 9110993, 18221986]

約数ペア:

[(1, 18221986), (2, 9110993), (31, 587806), (62, 293903), (83, 219542), (166, 109771), (2573, 7082), (3541, 5146)]