19255808

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 80

約数和(自身を含む): 45372096

約数和(自身を除く): 26116288

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 256, 263, 286, 352, 416, 512, 526, 572, 704, 832, 1052, 1144, 1408, 1664, 2104, 2288, 2816, 2893, 3328, 3419, 4208, 4576, 5632, 5786, 6656, 6838, 8416, 9152, 11572, 13676, 16832, 18304, 23144, 27352, 33664, 36608, 37609, 46288, 54704, 67328, 73216, 75218, 92576, 109408, 134656, 150436, 185152, 218816, 300872, 370304, 437632, 601744, 740608, 875264, 1203488, 1481216, 1750528, 2406976, 4813952, 9627904, 19255808]

約数ペア:

[(1, 19255808), (2, 9627904), (4, 4813952), (8, 2406976), (11, 1750528), (13, 1481216), (16, 1203488), (22, 875264), (26, 740608), (32, 601744), (44, 437632), (52, 370304), (64, 300872), (88, 218816), (104, 185152), (128, 150436), (143, 134656), (176, 109408), (208, 92576), (256, 75218), (263, 73216), (286, 67328), (352, 54704), (416, 46288), (512, 37609), (526, 36608), (572, 33664), (704, 27352), (832, 23144), (1052, 18304), (1144, 16832), (1408, 13676), (1664, 11572), (2104, 9152), (2288, 8416), (2816, 6838), (2893, 6656), (3328, 5786), (3419, 5632), (4208, 4576)]