19529760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 67495680

約数和(自身を除く): 47965920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 29, 30, 32, 40, 46, 48, 58, 60, 61, 69, 80, 87, 92, 96, 115, 116, 120, 122, 138, 145, 160, 174, 183, 184, 230, 232, 240, 244, 276, 290, 305, 345, 348, 366, 368, 435, 460, 464, 480, 488, 552, 580, 610, 667, 690, 696, 732, 736, 870, 915, 920, 928, 976, 1104, 1160, 1220, 1334, 1380, 1392, 1403, 1464, 1740, 1769, 1830, 1840, 1952, 2001, 2208, 2320, 2440, 2668, 2760, 2784, 2806, 2928, 3335, 3480, 3538, 3660, 3680, 4002, 4209, 4640, 4880, 5307, 5336, 5520, 5612, 5856, 6670, 6960, 7015, 7076, 7320, 8004, 8418, 8845, 9760, 10005, 10614, 10672, 11040, 11224, 13340, 13920, 14030, 14152, 14640, 16008, 16836, 17690, 20010, 21045, 21228, 21344, 22448, 26535, 26680, 28060, 28304, 29280, 32016, 33672, 35380, 40020, 40687, 42090, 42456, 44896, 53070, 53360, 56120, 56608, 64032, 67344, 70760, 80040, 81374, 84180, 84912, 106140, 106720, 112240, 122061, 134688, 141520, 160080, 162748, 168360, 169824, 203435, 212280, 224480, 244122, 283040, 320160, 325496, 336720, 406870, 424560, 488244, 610305, 650992, 673440, 813740, 849120, 976488, 1220610, 1301984, 1627480, 1952976, 2441220, 3254960, 3905952, 4882440, 6509920, 9764880, 19529760]

約数ペア:

[(1, 19529760), (2, 9764880), (3, 6509920), (4, 4882440), (5, 3905952), (6, 3254960), (8, 2441220), (10, 1952976), (12, 1627480), (15, 1301984), (16, 1220610), (20, 976488), (23, 849120), (24, 813740), (29, 673440), (30, 650992), (32, 610305), (40, 488244), (46, 424560), (48, 406870), (58, 336720), (60, 325496), (61, 320160), (69, 283040), (80, 244122), (87, 224480), (92, 212280), (96, 203435), (115, 169824), (116, 168360), (120, 162748), (122, 160080), (138, 141520), (145, 134688), (160, 122061), (174, 112240), (183, 106720), (184, 106140), (230, 84912), (232, 84180), (240, 81374), (244, 80040), (276, 70760), (290, 67344), (305, 64032), (345, 56608), (348, 56120), (366, 53360), (368, 53070), (435, 44896), (460, 42456), (464, 42090), (480, 40687), (488, 40020), (552, 35380), (580, 33672), (610, 32016), (667, 29280), (690, 28304), (696, 28060), (732, 26680), (736, 26535), (870, 22448), (915, 21344), (920, 21228), (928, 21045), (976, 20010), (1104, 17690), (1160, 16836), (1220, 16008), (1334, 14640), (1380, 14152), (1392, 14030), (1403, 13920), (1464, 13340), (1740, 11224), (1769, 11040), (1830, 10672), (1840, 10614), (1952, 10005), (2001, 9760), (2208, 8845), (2320, 8418), (2440, 8004), (2668, 7320), (2760, 7076), (2784, 7015), (2806, 6960), (2928, 6670), (3335, 5856), (3480, 5612), (3538, 5520), (3660, 5336), (3680, 5307), (4002, 4880), (4209, 4640)]