19708560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:933

約数の個数: 120

約数和(自身を含む): 68400384

約数和(自身を除く): 48691824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 883, 930, 1116, 1240, 1395, 1488, 1766, 1860, 2232, 2480, 2649, 2790, 3532, 3720, 4415, 4464, 5298, 5580, 7064, 7440, 7947, 8830, 10596, 11160, 13245, 14128, 15894, 17660, 21192, 22320, 26490, 27373, 31788, 35320, 39735, 42384, 52980, 54746, 63576, 70640, 79470, 82119, 105960, 109492, 127152, 136865, 158940, 164238, 211920, 218984, 246357, 273730, 317880, 328476, 410595, 437968, 492714, 547460, 635760, 656952, 821190, 985428, 1094920, 1231785, 1313904, 1642380, 1970856, 2189840, 2463570, 3284760, 3941712, 4927140, 6569520, 9854280, 19708560]

約数ペア:

[(1, 19708560), (2, 9854280), (3, 6569520), (4, 4927140), (5, 3941712), (6, 3284760), (8, 2463570), (9, 2189840), (10, 1970856), (12, 1642380), (15, 1313904), (16, 1231785), (18, 1094920), (20, 985428), (24, 821190), (30, 656952), (31, 635760), (36, 547460), (40, 492714), (45, 437968), (48, 410595), (60, 328476), (62, 317880), (72, 273730), (80, 246357), (90, 218984), (93, 211920), (120, 164238), (124, 158940), (144, 136865), (155, 127152), (180, 109492), (186, 105960), (240, 82119), (248, 79470), (279, 70640), (310, 63576), (360, 54746), (372, 52980), (465, 42384), (496, 39735), (558, 35320), (620, 31788), (720, 27373), (744, 26490), (883, 22320), (930, 21192), (1116, 17660), (1240, 15894), (1395, 14128), (1488, 13245), (1766, 11160), (1860, 10596), (2232, 8830), (2480, 7947), (2649, 7440), (2790, 7064), (3532, 5580), (3720, 5298), (4415, 4464)]