19980576

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 288

約数和(自身を含む): 76422528

約数和(自身を除く): 56441952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 17, 18, 21, 22, 24, 28, 32, 33, 34, 36, 42, 44, 48, 51, 53, 56, 63, 66, 68, 72, 77, 84, 88, 96, 99, 102, 106, 112, 119, 126, 132, 136, 144, 153, 154, 159, 168, 176, 187, 198, 204, 212, 224, 231, 238, 252, 264, 272, 288, 306, 308, 318, 336, 352, 357, 371, 374, 396, 408, 424, 462, 476, 477, 504, 528, 544, 561, 583, 612, 616, 636, 672, 693, 714, 742, 748, 792, 816, 848, 901, 924, 952, 954, 1008, 1056, 1071, 1113, 1122, 1166, 1224, 1232, 1272, 1309, 1386, 1428, 1484, 1496, 1584, 1632, 1683, 1696, 1749, 1802, 1848, 1904, 1908, 2016, 2142, 2226, 2244, 2332, 2448, 2464, 2544, 2618, 2703, 2772, 2856, 2968, 2992, 3168, 3339, 3366, 3498, 3604, 3696, 3808, 3816, 3927, 4081, 4284, 4452, 4488, 4664, 4896, 5088, 5236, 5247, 5406, 5544, 5712, 5936, 5984, 6307, 6678, 6732, 6996, 7208, 7392, 7632, 7854, 8109, 8162, 8568, 8904, 8976, 9328, 9911, 10472, 10494, 10812, 11088, 11424, 11781, 11872, 12243, 12614, 13356, 13464, 13992, 14416, 15264, 15708, 16218, 16324, 17136, 17808, 17952, 18656, 18921, 19822, 20944, 20988, 21624, 22176, 23562, 24486, 25228, 26712, 26928, 27984, 28832, 29733, 31416, 32436, 32648, 34272, 35616, 36729, 37842, 39644, 41888, 41976, 43248, 47124, 48972, 50456, 53424, 53856, 55968, 56763, 59466, 62832, 64872, 65296, 69377, 73458, 75684, 79288, 83952, 86496, 89199, 94248, 97944, 100912, 106848, 113526, 118932, 125664, 129744, 130592, 138754, 146916, 151368, 158576, 167904, 178398, 188496, 195888, 201824, 208131, 227052, 237864, 259488, 277508, 293832, 302736, 317152, 356796, 376992, 391776, 416262, 454104, 475728, 555016, 587664, 605472, 624393, 713592, 832524, 908208, 951456, 1110032, 1175328, 1248786, 1427184, 1665048, 1816416, 2220064, 2497572, 2854368, 3330096, 4995144, 6660192, 9990288, 19980576]

約数ペア:

[(1, 19980576), (2, 9990288), (3, 6660192), (4, 4995144), (6, 3330096), (7, 2854368), (8, 2497572), (9, 2220064), (11, 1816416), (12, 1665048), (14, 1427184), (16, 1248786), (17, 1175328), (18, 1110032), (21, 951456), (22, 908208), (24, 832524), (28, 713592), (32, 624393), (33, 605472), (34, 587664), (36, 555016), (42, 475728), (44, 454104), (48, 416262), (51, 391776), (53, 376992), (56, 356796), (63, 317152), (66, 302736), (68, 293832), (72, 277508), (77, 259488), (84, 237864), (88, 227052), (96, 208131), (99, 201824), (102, 195888), (106, 188496), (112, 178398), (119, 167904), (126, 158576), (132, 151368), (136, 146916), (144, 138754), (153, 130592), (154, 129744), (159, 125664), (168, 118932), (176, 113526), (187, 106848), (198, 100912), (204, 97944), (212, 94248), (224, 89199), (231, 86496), (238, 83952), (252, 79288), (264, 75684), (272, 73458), (288, 69377), (306, 65296), (308, 64872), (318, 62832), (336, 59466), (352, 56763), (357, 55968), (371, 53856), (374, 53424), (396, 50456), (408, 48972), (424, 47124), (462, 43248), (476, 41976), (477, 41888), (504, 39644), (528, 37842), (544, 36729), (561, 35616), (583, 34272), (612, 32648), (616, 32436), (636, 31416), (672, 29733), (693, 28832), (714, 27984), (742, 26928), (748, 26712), (792, 25228), (816, 24486), (848, 23562), (901, 22176), (924, 21624), (952, 20988), (954, 20944), (1008, 19822), (1056, 18921), (1071, 18656), (1113, 17952), (1122, 17808), (1166, 17136), (1224, 16324), (1232, 16218), (1272, 15708), (1309, 15264), (1386, 14416), (1428, 13992), (1484, 13464), (1496, 13356), (1584, 12614), (1632, 12243), (1683, 11872), (1696, 11781), (1749, 11424), (1802, 11088), (1848, 10812), (1904, 10494), (1908, 10472), (2016, 9911), (2142, 9328), (2226, 8976), (2244, 8904), (2332, 8568), (2448, 8162), (2464, 8109), (2544, 7854), (2618, 7632), (2703, 7392), (2772, 7208), (2856, 6996), (2968, 6732), (2992, 6678), (3168, 6307), (3339, 5984), (3366, 5936), (3498, 5712), (3604, 5544), (3696, 5406), (3808, 5247), (3816, 5236), (3927, 5088), (4081, 4896), (4284, 4664), (4452, 4488)]