18925920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:374

約数の個数: 192

約数和(自身を含む): 71547840

約数和(自身を除く): 52621920

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, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 337, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 674, 702, 720, 780, 864, 936, 1011, 1040, 1080, 1170, 1248, 1348, 1404, 1440, 1560, 1685, 1755, 1872, 2022, 2080, 2160, 2340, 2696, 2808, 3033, 3120, 3370, 3510, 3744, 4044, 4320, 4381, 4680, 5055, 5392, 5616, 6066, 6240, 6740, 7020, 8088, 8762, 9099, 9360, 10110, 10784, 11232, 12132, 13143, 13480, 14040, 15165, 16176, 17524, 18198, 18720, 20220, 21905, 24264, 26286, 26960, 28080, 30330, 32352, 35048, 36396, 39429, 40440, 43810, 45495, 48528, 52572, 53920, 56160, 60660, 65715, 70096, 72792, 78858, 80880, 87620, 90990, 97056, 105144, 118287, 121320, 131430, 140192, 145584, 157716, 161760, 175240, 181980, 197145, 210288, 236574, 242640, 262860, 291168, 315432, 350480, 363960, 394290, 420576, 473148, 485280, 525720, 591435, 630864, 700960, 727920, 788580, 946296, 1051440, 1182870, 1261728, 1455840, 1577160, 1892592, 2102880, 2365740, 3154320, 3785184, 4731480, 6308640, 9462960, 18925920]

約数ペア:

[(1, 18925920), (2, 9462960), (3, 6308640), (4, 4731480), (5, 3785184), (6, 3154320), (8, 2365740), (9, 2102880), (10, 1892592), (12, 1577160), (13, 1455840), (15, 1261728), (16, 1182870), (18, 1051440), (20, 946296), (24, 788580), (26, 727920), (27, 700960), (30, 630864), (32, 591435), (36, 525720), (39, 485280), (40, 473148), (45, 420576), (48, 394290), (52, 363960), (54, 350480), (60, 315432), (65, 291168), (72, 262860), (78, 242640), (80, 236574), (90, 210288), (96, 197145), (104, 181980), (108, 175240), (117, 161760), (120, 157716), (130, 145584), (135, 140192), (144, 131430), (156, 121320), (160, 118287), (180, 105144), (195, 97056), (208, 90990), (216, 87620), (234, 80880), (240, 78858), (260, 72792), (270, 70096), (288, 65715), (312, 60660), (337, 56160), (351, 53920), (360, 52572), (390, 48528), (416, 45495), (432, 43810), (468, 40440), (480, 39429), (520, 36396), (540, 35048), (585, 32352), (624, 30330), (674, 28080), (702, 26960), (720, 26286), (780, 24264), (864, 21905), (936, 20220), (1011, 18720), (1040, 18198), (1080, 17524), (1170, 16176), (1248, 15165), (1348, 14040), (1404, 13480), (1440, 13143), (1560, 12132), (1685, 11232), (1755, 10784), (1872, 10110), (2022, 9360), (2080, 9099), (2160, 8762), (2340, 8088), (2696, 7020), (2808, 6740), (3033, 6240), (3120, 6066), (3370, 5616), (3510, 5392), (3744, 5055), (4044, 4680), (4320, 4381)]