18476920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{857}}^1$

素因数の和:893

約数の個数: 96

約数和(自身を含む): 52818480

約数和(自身を除く): 34341560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 857, 980, 1078, 1540, 1714, 1960, 2156, 2695, 3080, 3428, 4285, 4312, 5390, 5999, 6856, 8570, 9427, 10780, 11998, 17140, 18854, 21560, 23996, 29995, 34280, 37708, 41993, 47135, 47992, 59990, 65989, 75416, 83986, 94270, 119980, 131978, 167972, 188540, 209965, 239960, 263956, 329945, 335944, 377080, 419930, 461923, 527912, 659890, 839860, 923846, 1319780, 1679720, 1847692, 2309615, 2639560, 3695384, 4619230, 9238460, 18476920]

約数ペア:

[(1, 18476920), (2, 9238460), (4, 4619230), (5, 3695384), (7, 2639560), (8, 2309615), (10, 1847692), (11, 1679720), (14, 1319780), (20, 923846), (22, 839860), (28, 659890), (35, 527912), (40, 461923), (44, 419930), (49, 377080), (55, 335944), (56, 329945), (70, 263956), (77, 239960), (88, 209965), (98, 188540), (110, 167972), (140, 131978), (154, 119980), (196, 94270), (220, 83986), (245, 75416), (280, 65989), (308, 59990), (385, 47992), (392, 47135), (440, 41993), (490, 37708), (539, 34280), (616, 29995), (770, 23996), (857, 21560), (980, 18854), (1078, 17140), (1540, 11998), (1714, 10780), (1960, 9427), (2156, 8570), (2695, 6856), (3080, 5999), (3428, 5390), (4285, 4312)]