18411840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2131}}^1$

素因数の和:2157

約数の個数: 112

約数和(自身を含む): 64983360

約数和(自身を除く): 46571520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2131, 2160, 2880, 4262, 4320, 6393, 8524, 8640, 10655, 12786, 17048, 19179, 21310, 25572, 31965, 34096, 38358, 42620, 51144, 57537, 63930, 68192, 76716, 85240, 95895, 102288, 115074, 127860, 136384, 153432, 170480, 191790, 204576, 230148, 255720, 287685, 306864, 340960, 383580, 409152, 460296, 511440, 575370, 613728, 681920, 767160, 920592, 1022880, 1150740, 1227456, 1534320, 1841184, 2045760, 2301480, 3068640, 3682368, 4602960, 6137280, 9205920, 18411840]

約数ペア:

[(1, 18411840), (2, 9205920), (3, 6137280), (4, 4602960), (5, 3682368), (6, 3068640), (8, 2301480), (9, 2045760), (10, 1841184), (12, 1534320), (15, 1227456), (16, 1150740), (18, 1022880), (20, 920592), (24, 767160), (27, 681920), (30, 613728), (32, 575370), (36, 511440), (40, 460296), (45, 409152), (48, 383580), (54, 340960), (60, 306864), (64, 287685), (72, 255720), (80, 230148), (90, 204576), (96, 191790), (108, 170480), (120, 153432), (135, 136384), (144, 127860), (160, 115074), (180, 102288), (192, 95895), (216, 85240), (240, 76716), (270, 68192), (288, 63930), (320, 57537), (360, 51144), (432, 42620), (480, 38358), (540, 34096), (576, 31965), (720, 25572), (864, 21310), (960, 19179), (1080, 17048), (1440, 12786), (1728, 10655), (2131, 8640), (2160, 8524), (2880, 6393), (4262, 4320)]