19431360

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:212

約数の個数: 224

約数和(自身を含む): 74249280

約数和(自身を除く): 54817920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 173, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 346, 351, 360, 390, 416, 432, 468, 480, 519, 520, 540, 576, 585, 624, 692, 702, 720, 780, 832, 864, 865, 936, 960, 1038, 1040, 1080, 1170, 1248, 1384, 1404, 1440, 1557, 1560, 1728, 1730, 1755, 1872, 2076, 2080, 2160, 2249, 2340, 2496, 2595, 2768, 2808, 2880, 3114, 3120, 3460, 3510, 3744, 4152, 4160, 4320, 4498, 4671, 4680, 5190, 5536, 5616, 6228, 6240, 6747, 6920, 7020, 7488, 7785, 8304, 8640, 8996, 9342, 9360, 10380, 11072, 11232, 11245, 12456, 12480, 13494, 13840, 14040, 15570, 16608, 17992, 18684, 18720, 20241, 20760, 22464, 22490, 23355, 24912, 26988, 27680, 28080, 31140, 33216, 33735, 35984, 37368, 37440, 40482, 41520, 44980, 46710, 49824, 53976, 55360, 56160, 60723, 62280, 67470, 71968, 74736, 80964, 83040, 89960, 93420, 99648, 101205, 107952, 112320, 121446, 124560, 134940, 143936, 149472, 161928, 166080, 179920, 186840, 202410, 215904, 242892, 249120, 269880, 298944, 303615, 323856, 359840, 373680, 404820, 431808, 485784, 498240, 539760, 607230, 647712, 719680, 747360, 809640, 971568, 1079520, 1214460, 1295424, 1494720, 1619280, 1943136, 2159040, 2428920, 3238560, 3886272, 4857840, 6477120, 9715680, 19431360]

約数ペア:

[(1, 19431360), (2, 9715680), (3, 6477120), (4, 4857840), (5, 3886272), (6, 3238560), (8, 2428920), (9, 2159040), (10, 1943136), (12, 1619280), (13, 1494720), (15, 1295424), (16, 1214460), (18, 1079520), (20, 971568), (24, 809640), (26, 747360), (27, 719680), (30, 647712), (32, 607230), (36, 539760), (39, 498240), (40, 485784), (45, 431808), (48, 404820), (52, 373680), (54, 359840), (60, 323856), (64, 303615), (65, 298944), (72, 269880), (78, 249120), (80, 242892), (90, 215904), (96, 202410), (104, 186840), (108, 179920), (117, 166080), (120, 161928), (130, 149472), (135, 143936), (144, 134940), (156, 124560), (160, 121446), (173, 112320), (180, 107952), (192, 101205), (195, 99648), (208, 93420), (216, 89960), (234, 83040), (240, 80964), (260, 74736), (270, 71968), (288, 67470), (312, 62280), (320, 60723), (346, 56160), (351, 55360), (360, 53976), (390, 49824), (416, 46710), (432, 44980), (468, 41520), (480, 40482), (519, 37440), (520, 37368), (540, 35984), (576, 33735), (585, 33216), (624, 31140), (692, 28080), (702, 27680), (720, 26988), (780, 24912), (832, 23355), (864, 22490), (865, 22464), (936, 20760), (960, 20241), (1038, 18720), (1040, 18684), (1080, 17992), (1170, 16608), (1248, 15570), (1384, 14040), (1404, 13840), (1440, 13494), (1557, 12480), (1560, 12456), (1728, 11245), (1730, 11232), (1755, 11072), (1872, 10380), (2076, 9360), (2080, 9342), (2160, 8996), (2249, 8640), (2340, 8304), (2496, 7785), (2595, 7488), (2768, 7020), (2808, 6920), (2880, 6747), (3114, 6240), (3120, 6228), (3460, 5616), (3510, 5536), (3744, 5190), (4152, 4680), (4160, 4671), (4320, 4498)]