19990319904

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{26893}}^1$

素因数の和:27027

約数の個数: 144

約数和(自身を含む): 59470702200

約数和(自身を除く): 39480382296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 89, 96, 116, 144, 174, 178, 232, 261, 267, 288, 348, 356, 464, 522, 534, 696, 712, 801, 928, 1044, 1068, 1392, 1424, 1602, 2088, 2136, 2581, 2784, 2848, 3204, 4176, 4272, 5162, 6408, 7743, 8352, 8544, 10324, 12816, 15486, 20648, 23229, 25632, 26893, 30972, 41296, 46458, 53786, 61944, 80679, 82592, 92916, 107572, 123888, 161358, 185832, 215144, 242037, 247776, 322716, 371664, 430288, 484074, 645432, 743328, 779897, 860576, 968148, 1290864, 1559794, 1936296, 2339691, 2393477, 2581728, 3119588, 3872592, 4679382, 4786954, 6239176, 7019073, 7180431, 7745184, 9358764, 9573908, 12478352, 14038146, 14360862, 18717528, 19147816, 21541293, 24956704, 28076292, 28721724, 37435056, 38295632, 43082586, 56152584, 57443448, 69410833, 74870112, 76591264, 86165172, 112305168, 114886896, 138821666, 172330344, 208232499, 224610336, 229773792, 277643332, 344660688, 416464998, 555286664, 624697497, 689321376, 832929996, 1110573328, 1249394994, 1665859992, 2221146656, 2498789988, 3331719984, 4997579976, 6663439968, 9995159952, 19990319904]

約数ペア:

[(1, 19990319904), (2, 9995159952), (3, 6663439968), (4, 4997579976), (6, 3331719984), (8, 2498789988), (9, 2221146656), (12, 1665859992), (16, 1249394994), (18, 1110573328), (24, 832929996), (29, 689321376), (32, 624697497), (36, 555286664), (48, 416464998), (58, 344660688), (72, 277643332), (87, 229773792), (89, 224610336), (96, 208232499), (116, 172330344), (144, 138821666), (174, 114886896), (178, 112305168), (232, 86165172), (261, 76591264), (267, 74870112), (288, 69410833), (348, 57443448), (356, 56152584), (464, 43082586), (522, 38295632), (534, 37435056), (696, 28721724), (712, 28076292), (801, 24956704), (928, 21541293), (1044, 19147816), (1068, 18717528), (1392, 14360862), (1424, 14038146), (1602, 12478352), (2088, 9573908), (2136, 9358764), (2581, 7745184), (2784, 7180431), (2848, 7019073), (3204, 6239176), (4176, 4786954), (4272, 4679382), (5162, 3872592), (6408, 3119588), (7743, 2581728), (8352, 2393477), (8544, 2339691), (10324, 1936296), (12816, 1559794), (15486, 1290864), (20648, 968148), (23229, 860576), (25632, 779897), (26893, 743328), (30972, 645432), (41296, 484074), (46458, 430288), (53786, 371664), (61944, 322716), (80679, 247776), (82592, 242037), (92916, 215144), (107572, 185832), (123888, 161358)]