18997803

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1511}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 30191616

約数和(自身を除く): 11193813

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 1143, 1397, 1511, 4191, 4533, 12573, 13599, 16621, 49863, 149589, 191897, 575691, 1727073, 2110867, 6332601, 18997803]

約数ペア:

[(1, 18997803), (3, 6332601), (9, 2110867), (11, 1727073), (33, 575691), (99, 191897), (127, 149589), (381, 49863), (1143, 16621), (1397, 13599), (1511, 12573), (4191, 4533)]