18738291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1467

約数の個数: 32

約数和(自身を含む): 30320640

約数和(自身を除く): 11582349

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 1409, 4227, 4433, 13299, 15499, 18317, 43679, 46497, 54951, 131037, 201487, 480469, 567827, 604461, 1441407, 1703481, 6246097, 18738291]

約数ペア:

[(1, 18738291), (3, 6246097), (11, 1703481), (13, 1441407), (31, 604461), (33, 567827), (39, 480469), (93, 201487), (143, 131037), (341, 54951), (403, 46497), (429, 43679), (1023, 18317), (1209, 15499), (1409, 13299), (4227, 4433)]