17998398

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{90901}}^1$

素因数の和:90920

約数の個数: 24

約数和(自身を含む): 42542136

約数和(自身を除く): 24543738

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 90901, 181802, 272703, 545406, 818109, 999911, 1636218, 1999822, 2999733, 5999466, 8999199, 17998398]

約数ペア:

[(1, 17998398), (2, 8999199), (3, 5999466), (6, 2999733), (9, 1999822), (11, 1636218), (18, 999911), (22, 818109), (33, 545406), (66, 272703), (99, 181802), (198, 90901)]