19189269

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 36

約数和(自身を含む): 31039008

約数和(自身を除く): 11849739

約数列:

[1, 3, 9, 11, 33, 67, 99, 121, 201, 263, 363, 603, 737, 789, 1089, 2211, 2367, 2893, 6633, 8107, 8679, 17621, 24321, 26037, 31823, 52863, 72963, 95469, 158589, 193831, 286407, 581493, 1744479, 2132141, 6396423, 19189269]

約数ペア:

[(1, 19189269), (3, 6396423), (9, 2132141), (11, 1744479), (33, 581493), (67, 286407), (99, 193831), (121, 158589), (201, 95469), (263, 72963), (363, 52863), (603, 31823), (737, 26037), (789, 24321), (1089, 17621), (2211, 8679), (2367, 8107), (2893, 6633)]