17721286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2029}}^1$

素因数の和:2439

約数の個数: 16

約数和(自身を含む): 29085840

約数和(自身を除く): 11364554

約数列:

[1, 2, 11, 22, 397, 794, 2029, 4058, 4367, 8734, 22319, 44638, 805513, 1611026, 8860643, 17721286]

約数ペア:

[(1, 17721286), (2, 8860643), (11, 1611026), (22, 805513), (397, 44638), (794, 22319), (2029, 8734), (4058, 4367)]