19747728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 240

約数和(自身を含む): 74745216

約数和(自身を除く): 54997488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 18, 21, 22, 24, 26, 28, 33, 36, 39, 42, 44, 48, 52, 56, 63, 66, 72, 77, 78, 84, 88, 91, 99, 104, 112, 117, 126, 132, 137, 143, 144, 154, 156, 168, 176, 182, 198, 208, 231, 234, 252, 264, 273, 274, 286, 308, 312, 336, 364, 396, 411, 429, 462, 468, 504, 528, 546, 548, 572, 616, 624, 693, 728, 792, 819, 822, 858, 924, 936, 959, 1001, 1008, 1092, 1096, 1144, 1232, 1233, 1287, 1386, 1456, 1507, 1584, 1638, 1644, 1716, 1781, 1848, 1872, 1918, 2002, 2184, 2192, 2288, 2466, 2574, 2772, 2877, 3003, 3014, 3276, 3288, 3432, 3562, 3696, 3836, 4004, 4368, 4521, 4932, 5148, 5343, 5544, 5754, 6006, 6028, 6552, 6576, 6864, 7124, 7672, 8008, 8631, 9009, 9042, 9864, 10296, 10549, 10686, 11088, 11508, 12012, 12056, 12467, 13104, 13563, 14248, 15344, 16016, 16029, 17262, 18018, 18084, 19591, 19728, 20592, 21098, 21372, 23016, 24024, 24112, 24934, 27126, 28496, 31647, 32058, 34524, 36036, 36168, 37401, 39182, 42196, 42744, 46032, 48048, 49868, 54252, 58773, 63294, 64116, 69048, 72072, 72336, 74802, 78364, 84392, 85488, 94941, 99736, 108504, 112203, 117546, 126588, 128232, 137137, 138096, 144144, 149604, 156728, 168784, 176319, 189882, 199472, 217008, 224406, 235092, 253176, 256464, 274274, 299208, 313456, 352638, 379764, 411411, 448812, 470184, 506352, 548548, 598416, 705276, 759528, 822822, 897624, 940368, 1097096, 1234233, 1410552, 1519056, 1645644, 1795248, 2194192, 2468466, 2821104, 3291288, 4936932, 6582576, 9873864, 19747728]

約数ペア:

[(1, 19747728), (2, 9873864), (3, 6582576), (4, 4936932), (6, 3291288), (7, 2821104), (8, 2468466), (9, 2194192), (11, 1795248), (12, 1645644), (13, 1519056), (14, 1410552), (16, 1234233), (18, 1097096), (21, 940368), (22, 897624), (24, 822822), (26, 759528), (28, 705276), (33, 598416), (36, 548548), (39, 506352), (42, 470184), (44, 448812), (48, 411411), (52, 379764), (56, 352638), (63, 313456), (66, 299208), (72, 274274), (77, 256464), (78, 253176), (84, 235092), (88, 224406), (91, 217008), (99, 199472), (104, 189882), (112, 176319), (117, 168784), (126, 156728), (132, 149604), (137, 144144), (143, 138096), (144, 137137), (154, 128232), (156, 126588), (168, 117546), (176, 112203), (182, 108504), (198, 99736), (208, 94941), (231, 85488), (234, 84392), (252, 78364), (264, 74802), (273, 72336), (274, 72072), (286, 69048), (308, 64116), (312, 63294), (336, 58773), (364, 54252), (396, 49868), (411, 48048), (429, 46032), (462, 42744), (468, 42196), (504, 39182), (528, 37401), (546, 36168), (548, 36036), (572, 34524), (616, 32058), (624, 31647), (693, 28496), (728, 27126), (792, 24934), (819, 24112), (822, 24024), (858, 23016), (924, 21372), (936, 21098), (959, 20592), (1001, 19728), (1008, 19591), (1092, 18084), (1096, 18018), (1144, 17262), (1232, 16029), (1233, 16016), (1287, 15344), (1386, 14248), (1456, 13563), (1507, 13104), (1584, 12467), (1638, 12056), (1644, 12012), (1716, 11508), (1781, 11088), (1848, 10686), (1872, 10549), (1918, 10296), (2002, 9864), (2184, 9042), (2192, 9009), (2288, 8631), (2466, 8008), (2574, 7672), (2772, 7124), (2877, 6864), (3003, 6576), (3014, 6552), (3276, 6028), (3288, 6006), (3432, 5754), (3562, 5544), (3696, 5343), (3836, 5148), (4004, 4932), (4368, 4521)]