19315440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 65672880

約数和(自身を除く): 46357440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 193, 240, 278, 360, 386, 417, 556, 579, 695, 720, 772, 834, 965, 1112, 1158, 1251, 1390, 1544, 1668, 1737, 1930, 2085, 2224, 2316, 2502, 2780, 2895, 3088, 3336, 3474, 3860, 4170, 4632, 5004, 5560, 5790, 6255, 6672, 6948, 7720, 8340, 8685, 9264, 10008, 11120, 11580, 12510, 13896, 15440, 16680, 17370, 20016, 23160, 25020, 26827, 27792, 33360, 34740, 46320, 50040, 53654, 69480, 80481, 100080, 107308, 134135, 138960, 160962, 214616, 241443, 268270, 321924, 402405, 429232, 482886, 536540, 643848, 804810, 965772, 1073080, 1207215, 1287696, 1609620, 1931544, 2146160, 2414430, 3219240, 3863088, 4828860, 6438480, 9657720, 19315440]

約数ペア:

[(1, 19315440), (2, 9657720), (3, 6438480), (4, 4828860), (5, 3863088), (6, 3219240), (8, 2414430), (9, 2146160), (10, 1931544), (12, 1609620), (15, 1287696), (16, 1207215), (18, 1073080), (20, 965772), (24, 804810), (30, 643848), (36, 536540), (40, 482886), (45, 429232), (48, 402405), (60, 321924), (72, 268270), (80, 241443), (90, 214616), (120, 160962), (139, 138960), (144, 134135), (180, 107308), (193, 100080), (240, 80481), (278, 69480), (360, 53654), (386, 50040), (417, 46320), (556, 34740), (579, 33360), (695, 27792), (720, 26827), (772, 25020), (834, 23160), (965, 20016), (1112, 17370), (1158, 16680), (1251, 15440), (1390, 13896), (1544, 12510), (1668, 11580), (1737, 11120), (1930, 10008), (2085, 9264), (2224, 8685), (2316, 8340), (2502, 7720), (2780, 6948), (2895, 6672), (3088, 6255), (3336, 5790), (3474, 5560), (3860, 5004), (4170, 4632)]