19818737568

素因数分解:

$2^5\times 3^2\times 7^4\times {\mathrm{28661}}^1$

素因数の和:28705

約数の個数: 180

約数和(自身を含む): 65751172578

約数和(自身を除く): 45932435010

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 343, 392, 441, 504, 588, 672, 686, 784, 882, 1008, 1029, 1176, 1372, 1568, 1764, 2016, 2058, 2352, 2401, 2744, 3087, 3528, 4116, 4704, 4802, 5488, 6174, 7056, 7203, 8232, 9604, 10976, 12348, 14112, 14406, 16464, 19208, 21609, 24696, 28661, 28812, 32928, 38416, 43218, 49392, 57322, 57624, 76832, 85983, 86436, 98784, 114644, 115248, 171966, 172872, 200627, 229288, 230496, 257949, 343932, 345744, 401254, 458576, 515898, 601881, 687864, 691488, 802508, 917152, 1031796, 1203762, 1375728, 1404389, 1605016, 1805643, 2063592, 2407524, 2751456, 2808778, 3210032, 3611286, 4127184, 4213167, 4815048, 5617556, 6420064, 7222572, 8254368, 8426334, 9630096, 9830723, 11235112, 12639501, 14445144, 16852668, 19260192, 19661446, 22470224, 25279002, 28890288, 29492169, 33705336, 39322892, 44940448, 50558004, 57780576, 58984338, 67410672, 68815061, 78645784, 88476507, 101116008, 117968676, 134821344, 137630122, 157291568, 176953014, 202232016, 206445183, 235937352, 275260244, 314583136, 353906028, 404464032, 412890366, 471874704, 550520488, 619335549, 707812056, 825780732, 943749408, 1101040976, 1238671098, 1415624112, 1651561464, 2202081952, 2477342196, 2831248224, 3303122928, 4954684392, 6606245856, 9909368784, 19818737568]

約数ペア:

[(1, 19818737568), (2, 9909368784), (3, 6606245856), (4, 4954684392), (6, 3303122928), (7, 2831248224), (8, 2477342196), (9, 2202081952), (12, 1651561464), (14, 1415624112), (16, 1238671098), (18, 1101040976), (21, 943749408), (24, 825780732), (28, 707812056), (32, 619335549), (36, 550520488), (42, 471874704), (48, 412890366), (49, 404464032), (56, 353906028), (63, 314583136), (72, 275260244), (84, 235937352), (96, 206445183), (98, 202232016), (112, 176953014), (126, 157291568), (144, 137630122), (147, 134821344), (168, 117968676), (196, 101116008), (224, 88476507), (252, 78645784), (288, 68815061), (294, 67410672), (336, 58984338), (343, 57780576), (392, 50558004), (441, 44940448), (504, 39322892), (588, 33705336), (672, 29492169), (686, 28890288), (784, 25279002), (882, 22470224), (1008, 19661446), (1029, 19260192), (1176, 16852668), (1372, 14445144), (1568, 12639501), (1764, 11235112), (2016, 9830723), (2058, 9630096), (2352, 8426334), (2401, 8254368), (2744, 7222572), (3087, 6420064), (3528, 5617556), (4116, 4815048), (4704, 4213167), (4802, 4127184), (5488, 3611286), (6174, 3210032), (7056, 2808778), (7203, 2751456), (8232, 2407524), (9604, 2063592), (10976, 1805643), (12348, 1605016), (14112, 1404389), (14406, 1375728), (16464, 1203762), (19208, 1031796), (21609, 917152), (24696, 802508), (28661, 691488), (28812, 687864), (32928, 601881), (38416, 515898), (43218, 458576), (49392, 401254), (57322, 345744), (57624, 343932), (76832, 257949), (85983, 230496), (86436, 229288), (98784, 200627), (114644, 172872), (115248, 171966)]