19994688

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:79

約数の個数: 280

約数和(自身を含む): 73761600

約数和(自身を除く): 53766912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 29, 32, 36, 38, 42, 48, 54, 56, 57, 58, 63, 64, 72, 76, 81, 84, 87, 96, 108, 112, 114, 116, 126, 133, 144, 152, 162, 168, 171, 174, 189, 192, 203, 216, 224, 228, 232, 252, 261, 266, 288, 304, 324, 336, 342, 348, 378, 399, 406, 432, 448, 456, 464, 504, 513, 522, 532, 551, 567, 576, 608, 609, 648, 672, 684, 696, 756, 783, 798, 812, 864, 912, 928, 1008, 1026, 1044, 1064, 1102, 1134, 1197, 1216, 1218, 1296, 1344, 1368, 1392, 1512, 1539, 1566, 1596, 1624, 1653, 1728, 1824, 1827, 1856, 2016, 2052, 2088, 2128, 2204, 2268, 2349, 2394, 2436, 2592, 2736, 2784, 3024, 3078, 3132, 3192, 3248, 3306, 3591, 3648, 3654, 3857, 4032, 4104, 4176, 4256, 4408, 4536, 4698, 4788, 4872, 4959, 5184, 5472, 5481, 5568, 6048, 6156, 6264, 6384, 6496, 6612, 7182, 7308, 7714, 8208, 8352, 8512, 8816, 9072, 9396, 9576, 9744, 9918, 10773, 10944, 10962, 11571, 12096, 12312, 12528, 12768, 12992, 13224, 14364, 14616, 14877, 15428, 16416, 16443, 16704, 17632, 18144, 18792, 19152, 19488, 19836, 21546, 21924, 23142, 24624, 25056, 25536, 26448, 28728, 29232, 29754, 30856, 32832, 32886, 34713, 35264, 36288, 37584, 38304, 38976, 39672, 43092, 43848, 44631, 46284, 49248, 50112, 52896, 57456, 58464, 59508, 61712, 65772, 69426, 75168, 76608, 79344, 86184, 87696, 89262, 92568, 98496, 104139, 105792, 114912, 116928, 119016, 123424, 131544, 138852, 150336, 158688, 172368, 175392, 178524, 185136, 208278, 229824, 238032, 246848, 263088, 277704, 312417, 317376, 344736, 350784, 357048, 370272, 416556, 476064, 526176, 555408, 624834, 689472, 714096, 740544, 833112, 952128, 1052352, 1110816, 1249668, 1428192, 1666224, 2221632, 2499336, 2856384, 3332448, 4998672, 6664896, 9997344, 19994688]

約数ペア:

[(1, 19994688), (2, 9997344), (3, 6664896), (4, 4998672), (6, 3332448), (7, 2856384), (8, 2499336), (9, 2221632), (12, 1666224), (14, 1428192), (16, 1249668), (18, 1110816), (19, 1052352), (21, 952128), (24, 833112), (27, 740544), (28, 714096), (29, 689472), (32, 624834), (36, 555408), (38, 526176), (42, 476064), (48, 416556), (54, 370272), (56, 357048), (57, 350784), (58, 344736), (63, 317376), (64, 312417), (72, 277704), (76, 263088), (81, 246848), (84, 238032), (87, 229824), (96, 208278), (108, 185136), (112, 178524), (114, 175392), (116, 172368), (126, 158688), (133, 150336), (144, 138852), (152, 131544), (162, 123424), (168, 119016), (171, 116928), (174, 114912), (189, 105792), (192, 104139), (203, 98496), (216, 92568), (224, 89262), (228, 87696), (232, 86184), (252, 79344), (261, 76608), (266, 75168), (288, 69426), (304, 65772), (324, 61712), (336, 59508), (342, 58464), (348, 57456), (378, 52896), (399, 50112), (406, 49248), (432, 46284), (448, 44631), (456, 43848), (464, 43092), (504, 39672), (513, 38976), (522, 38304), (532, 37584), (551, 36288), (567, 35264), (576, 34713), (608, 32886), (609, 32832), (648, 30856), (672, 29754), (684, 29232), (696, 28728), (756, 26448), (783, 25536), (798, 25056), (812, 24624), (864, 23142), (912, 21924), (928, 21546), (1008, 19836), (1026, 19488), (1044, 19152), (1064, 18792), (1102, 18144), (1134, 17632), (1197, 16704), (1216, 16443), (1218, 16416), (1296, 15428), (1344, 14877), (1368, 14616), (1392, 14364), (1512, 13224), (1539, 12992), (1566, 12768), (1596, 12528), (1624, 12312), (1653, 12096), (1728, 11571), (1824, 10962), (1827, 10944), (1856, 10773), (2016, 9918), (2052, 9744), (2088, 9576), (2128, 9396), (2204, 9072), (2268, 8816), (2349, 8512), (2394, 8352), (2436, 8208), (2592, 7714), (2736, 7308), (2784, 7182), (3024, 6612), (3078, 6496), (3132, 6384), (3192, 6264), (3248, 6156), (3306, 6048), (3591, 5568), (3648, 5481), (3654, 5472), (3857, 5184), (4032, 4959), (4104, 4872), (4176, 4788), (4256, 4698), (4408, 4536)]