19068280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 36089480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 82, 88, 110, 140, 151, 154, 164, 205, 220, 280, 287, 302, 308, 328, 385, 410, 440, 451, 574, 604, 616, 755, 770, 820, 902, 1057, 1148, 1208, 1435, 1510, 1540, 1640, 1661, 1804, 2114, 2255, 2296, 2870, 3020, 3080, 3157, 3322, 3608, 4228, 4510, 5285, 5740, 6040, 6191, 6314, 6644, 8305, 8456, 9020, 10570, 11480, 11627, 12382, 12628, 13288, 15785, 16610, 18040, 21140, 23254, 24764, 25256, 30955, 31570, 33220, 42280, 43337, 46508, 49528, 58135, 61910, 63140, 66440, 68101, 86674, 93016, 116270, 123820, 126280, 136202, 173348, 216685, 232540, 247640, 272404, 340505, 346696, 433370, 465080, 476707, 544808, 681010, 866740, 953414, 1362020, 1733480, 1906828, 2383535, 2724040, 3813656, 4767070, 9534140, 19068280]

約数ペア:

[(1, 19068280), (2, 9534140), (4, 4767070), (5, 3813656), (7, 2724040), (8, 2383535), (10, 1906828), (11, 1733480), (14, 1362020), (20, 953414), (22, 866740), (28, 681010), (35, 544808), (40, 476707), (41, 465080), (44, 433370), (55, 346696), (56, 340505), (70, 272404), (77, 247640), (82, 232540), (88, 216685), (110, 173348), (140, 136202), (151, 126280), (154, 123820), (164, 116270), (205, 93016), (220, 86674), (280, 68101), (287, 66440), (302, 63140), (308, 61910), (328, 58135), (385, 49528), (410, 46508), (440, 43337), (451, 42280), (574, 33220), (604, 31570), (616, 30955), (755, 25256), (770, 24764), (820, 23254), (902, 21140), (1057, 18040), (1148, 16610), (1208, 15785), (1435, 13288), (1510, 12628), (1540, 12382), (1640, 11627), (1661, 11480), (1804, 10570), (2114, 9020), (2255, 8456), (2296, 8305), (2870, 6644), (3020, 6314), (3080, 6191), (3157, 6040), (3322, 5740), (3608, 5285), (4228, 4510)]