19913472

素因数分解:

$2^8\times 3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 61156480

約数和(自身を除く): 41243008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 64, 67, 72, 86, 96, 108, 128, 129, 134, 144, 172, 192, 201, 216, 256, 258, 268, 288, 344, 384, 387, 402, 432, 516, 536, 576, 603, 688, 768, 774, 804, 864, 1032, 1072, 1152, 1161, 1206, 1376, 1548, 1608, 1728, 1809, 2064, 2144, 2304, 2322, 2412, 2752, 2881, 3096, 3216, 3456, 3618, 4128, 4288, 4644, 4824, 5504, 5762, 6192, 6432, 6912, 7236, 8256, 8576, 8643, 9288, 9648, 11008, 11524, 12384, 12864, 14472, 16512, 17152, 17286, 18576, 19296, 23048, 24768, 25728, 25929, 28944, 33024, 34572, 37152, 38592, 46096, 49536, 51456, 51858, 57888, 69144, 74304, 77184, 77787, 92192, 99072, 103716, 115776, 138288, 148608, 154368, 155574, 184384, 207432, 231552, 276576, 297216, 311148, 368768, 414864, 463104, 553152, 622296, 737536, 829728, 1106304, 1244592, 1659456, 2212608, 2489184, 3318912, 4978368, 6637824, 9956736, 19913472]

約数ペア:

[(1, 19913472), (2, 9956736), (3, 6637824), (4, 4978368), (6, 3318912), (8, 2489184), (9, 2212608), (12, 1659456), (16, 1244592), (18, 1106304), (24, 829728), (27, 737536), (32, 622296), (36, 553152), (43, 463104), (48, 414864), (54, 368768), (64, 311148), (67, 297216), (72, 276576), (86, 231552), (96, 207432), (108, 184384), (128, 155574), (129, 154368), (134, 148608), (144, 138288), (172, 115776), (192, 103716), (201, 99072), (216, 92192), (256, 77787), (258, 77184), (268, 74304), (288, 69144), (344, 57888), (384, 51858), (387, 51456), (402, 49536), (432, 46096), (516, 38592), (536, 37152), (576, 34572), (603, 33024), (688, 28944), (768, 25929), (774, 25728), (804, 24768), (864, 23048), (1032, 19296), (1072, 18576), (1152, 17286), (1161, 17152), (1206, 16512), (1376, 14472), (1548, 12864), (1608, 12384), (1728, 11524), (1809, 11008), (2064, 9648), (2144, 9288), (2304, 8643), (2322, 8576), (2412, 8256), (2752, 7236), (2881, 6912), (3096, 6432), (3216, 6192), (3456, 5762), (3618, 5504), (4128, 4824), (4288, 4644)]