19998666

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10193}}^1$

素因数の和:10310

約数の個数: 24

約数和(自身を含む): 43732260

約数和(自身を除く): 23733594

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10193, 20386, 30579, 61158, 91737, 183474, 1111037, 2222074, 3333111, 6666222, 9999333, 19998666]

約数ペア:

[(1, 19998666), (2, 9999333), (3, 6666222), (6, 3333111), (9, 2222074), (18, 1111037), (109, 183474), (218, 91737), (327, 61158), (654, 30579), (981, 20386), (1962, 10193)]