19888402

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1866

約数の個数: 24

約数和(自身を含む): 33377040

約数和(自身を除く): 13488638

約数列:

[1, 2, 17, 19, 34, 38, 289, 323, 578, 646, 1811, 3622, 5491, 10982, 30787, 34409, 61574, 68818, 523379, 584953, 1046758, 1169906, 9944201, 19888402]

約数ペア:

[(1, 19888402), (2, 9944201), (17, 1169906), (19, 1046758), (34, 584953), (38, 523379), (289, 68818), (323, 61574), (578, 34409), (646, 30787), (1811, 10982), (3622, 5491)]