18994382

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27851}}^1$

素因数の和:27895

約数の個数: 16

約数和(自身を含む): 32085504

約数和(自身を除く): 13091122

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 27851, 55702, 306361, 612722, 863381, 1726762, 9497191, 18994382]

約数ペア:

[(1, 18994382), (2, 9497191), (11, 1726762), (22, 863381), (31, 612722), (62, 306361), (341, 55702), (682, 27851)]