18816512

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 44340912

約数和(自身を除く): 25524400

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 256, 257, 286, 352, 416, 512, 514, 572, 704, 832, 1028, 1144, 1408, 1664, 2056, 2288, 2816, 2827, 3328, 3341, 4112, 4576, 5632, 5654, 6656, 6682, 8224, 9152, 11308, 13364, 16448, 18304, 22616, 26728, 32896, 36608, 36751, 45232, 53456, 65792, 73216, 73502, 90464, 106912, 131584, 147004, 180928, 213824, 294008, 361856, 427648, 588016, 723712, 855296, 1176032, 1447424, 1710592, 2352064, 4704128, 9408256, 18816512]

約数ペア:

[(1, 18816512), (2, 9408256), (4, 4704128), (8, 2352064), (11, 1710592), (13, 1447424), (16, 1176032), (22, 855296), (26, 723712), (32, 588016), (44, 427648), (52, 361856), (64, 294008), (88, 213824), (104, 180928), (128, 147004), (143, 131584), (176, 106912), (208, 90464), (256, 73502), (257, 73216), (286, 65792), (352, 53456), (416, 45232), (512, 36751), (514, 36608), (572, 32896), (704, 26728), (832, 22616), (1028, 18304), (1144, 16448), (1408, 13364), (1664, 11308), (2056, 9152), (2288, 8224), (2816, 6682), (2827, 6656), (3328, 5654), (3341, 5632), (4112, 4576)]