19785888

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 61326720

約数和(自身を除く): 41540832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 29, 32, 36, 46, 48, 58, 69, 72, 87, 92, 96, 103, 116, 138, 144, 174, 184, 206, 207, 232, 261, 276, 288, 309, 348, 368, 412, 414, 464, 522, 552, 618, 667, 696, 736, 824, 828, 927, 928, 1044, 1104, 1236, 1334, 1392, 1648, 1656, 1854, 2001, 2088, 2208, 2369, 2472, 2668, 2784, 2987, 3296, 3312, 3708, 4002, 4176, 4738, 4944, 5336, 5974, 6003, 6624, 7107, 7416, 8004, 8352, 8961, 9476, 9888, 10672, 11948, 12006, 14214, 14832, 16008, 17922, 18952, 21321, 21344, 23896, 24012, 26883, 28428, 29664, 32016, 35844, 37904, 42642, 47792, 48024, 53766, 56856, 64032, 68701, 71688, 75808, 85284, 95584, 96048, 107532, 113712, 137402, 143376, 170568, 192096, 206103, 215064, 227424, 274804, 286752, 341136, 412206, 430128, 549608, 618309, 682272, 824412, 860256, 1099216, 1236618, 1648824, 2198432, 2473236, 3297648, 4946472, 6595296, 9892944, 19785888]

約数ペア:

[(1, 19785888), (2, 9892944), (3, 6595296), (4, 4946472), (6, 3297648), (8, 2473236), (9, 2198432), (12, 1648824), (16, 1236618), (18, 1099216), (23, 860256), (24, 824412), (29, 682272), (32, 618309), (36, 549608), (46, 430128), (48, 412206), (58, 341136), (69, 286752), (72, 274804), (87, 227424), (92, 215064), (96, 206103), (103, 192096), (116, 170568), (138, 143376), (144, 137402), (174, 113712), (184, 107532), (206, 96048), (207, 95584), (232, 85284), (261, 75808), (276, 71688), (288, 68701), (309, 64032), (348, 56856), (368, 53766), (412, 48024), (414, 47792), (464, 42642), (522, 37904), (552, 35844), (618, 32016), (667, 29664), (696, 28428), (736, 26883), (824, 24012), (828, 23896), (927, 21344), (928, 21321), (1044, 18952), (1104, 17922), (1236, 16008), (1334, 14832), (1392, 14214), (1648, 12006), (1656, 11948), (1854, 10672), (2001, 9888), (2088, 9476), (2208, 8961), (2369, 8352), (2472, 8004), (2668, 7416), (2784, 7107), (2987, 6624), (3296, 6003), (3312, 5974), (3708, 5336), (4002, 4944), (4176, 4738)]