19864992

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 42876960

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 49, 56, 82, 84, 96, 98, 103, 112, 123, 147, 164, 168, 196, 206, 224, 246, 287, 294, 309, 328, 336, 392, 412, 492, 574, 588, 618, 656, 672, 721, 784, 824, 861, 984, 1148, 1176, 1236, 1312, 1442, 1568, 1648, 1722, 1968, 2009, 2163, 2296, 2352, 2472, 2884, 3296, 3444, 3936, 4018, 4223, 4326, 4592, 4704, 4944, 5047, 5768, 6027, 6888, 8036, 8446, 8652, 9184, 9888, 10094, 11536, 12054, 12669, 13776, 15141, 16072, 16892, 17304, 20188, 23072, 24108, 25338, 27552, 29561, 30282, 32144, 33784, 34608, 40376, 48216, 50676, 59122, 60564, 64288, 67568, 69216, 80752, 88683, 96432, 101352, 118244, 121128, 135136, 161504, 177366, 192864, 202704, 206927, 236488, 242256, 354732, 405408, 413854, 472976, 484512, 620781, 709464, 827708, 945952, 1241562, 1418928, 1655416, 2483124, 2837856, 3310832, 4966248, 6621664, 9932496, 19864992]

約数ペア:

[(1, 19864992), (2, 9932496), (3, 6621664), (4, 4966248), (6, 3310832), (7, 2837856), (8, 2483124), (12, 1655416), (14, 1418928), (16, 1241562), (21, 945952), (24, 827708), (28, 709464), (32, 620781), (41, 484512), (42, 472976), (48, 413854), (49, 405408), (56, 354732), (82, 242256), (84, 236488), (96, 206927), (98, 202704), (103, 192864), (112, 177366), (123, 161504), (147, 135136), (164, 121128), (168, 118244), (196, 101352), (206, 96432), (224, 88683), (246, 80752), (287, 69216), (294, 67568), (309, 64288), (328, 60564), (336, 59122), (392, 50676), (412, 48216), (492, 40376), (574, 34608), (588, 33784), (618, 32144), (656, 30282), (672, 29561), (721, 27552), (784, 25338), (824, 24108), (861, 23072), (984, 20188), (1148, 17304), (1176, 16892), (1236, 16072), (1312, 15141), (1442, 13776), (1568, 12669), (1648, 12054), (1722, 11536), (1968, 10094), (2009, 9888), (2163, 9184), (2296, 8652), (2352, 8446), (2472, 8036), (2884, 6888), (3296, 6027), (3444, 5768), (3936, 5047), (4018, 4944), (4223, 4704), (4326, 4592)]