19246720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 128

約数和(自身を含む): 51224400

約数和(自身を除く): 31977680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 61, 64, 68, 80, 85, 116, 122, 128, 136, 145, 160, 170, 232, 244, 272, 290, 305, 320, 340, 464, 488, 493, 544, 580, 610, 640, 680, 928, 976, 986, 1037, 1088, 1160, 1220, 1360, 1769, 1856, 1952, 1972, 2074, 2176, 2320, 2440, 2465, 2720, 3538, 3712, 3904, 3944, 4148, 4640, 4880, 4930, 5185, 5440, 7076, 7808, 7888, 8296, 8845, 9280, 9760, 9860, 10370, 10880, 14152, 15776, 16592, 17690, 18560, 19520, 19720, 20740, 28304, 30073, 31552, 33184, 35380, 39040, 39440, 41480, 56608, 60146, 63104, 66368, 70760, 78880, 82960, 113216, 120292, 132736, 141520, 150365, 157760, 165920, 226432, 240584, 283040, 300730, 315520, 331840, 481168, 566080, 601460, 663680, 962336, 1132160, 1202920, 1924672, 2405840, 3849344, 4811680, 9623360, 19246720]

約数ペア:

[(1, 19246720), (2, 9623360), (4, 4811680), (5, 3849344), (8, 2405840), (10, 1924672), (16, 1202920), (17, 1132160), (20, 962336), (29, 663680), (32, 601460), (34, 566080), (40, 481168), (58, 331840), (61, 315520), (64, 300730), (68, 283040), (80, 240584), (85, 226432), (116, 165920), (122, 157760), (128, 150365), (136, 141520), (145, 132736), (160, 120292), (170, 113216), (232, 82960), (244, 78880), (272, 70760), (290, 66368), (305, 63104), (320, 60146), (340, 56608), (464, 41480), (488, 39440), (493, 39040), (544, 35380), (580, 33184), (610, 31552), (640, 30073), (680, 28304), (928, 20740), (976, 19720), (986, 19520), (1037, 18560), (1088, 17690), (1160, 16592), (1220, 15776), (1360, 14152), (1769, 10880), (1856, 10370), (1952, 9860), (1972, 9760), (2074, 9280), (2176, 8845), (2320, 8296), (2440, 7888), (2465, 7808), (2720, 7076), (3538, 5440), (3712, 5185), (3904, 4930), (3944, 4880), (4148, 4640)]