18917400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:829

約数の個数: 96

約数和(自身を含む): 60152400

約数和(自身を除く): 41235000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 41, 50, 60, 75, 82, 100, 120, 123, 150, 164, 200, 205, 246, 300, 328, 410, 492, 600, 615, 769, 820, 984, 1025, 1230, 1538, 1640, 2050, 2307, 2460, 3075, 3076, 3845, 4100, 4614, 4920, 6150, 6152, 7690, 8200, 9228, 11535, 12300, 15380, 18456, 19225, 23070, 24600, 30760, 31529, 38450, 46140, 57675, 63058, 76900, 92280, 94587, 115350, 126116, 153800, 157645, 189174, 230700, 252232, 315290, 378348, 461400, 472935, 630580, 756696, 788225, 945870, 1261160, 1576450, 1891740, 2364675, 3152900, 3783480, 4729350, 6305800, 9458700, 18917400]

約数ペア:

[(1, 18917400), (2, 9458700), (3, 6305800), (4, 4729350), (5, 3783480), (6, 3152900), (8, 2364675), (10, 1891740), (12, 1576450), (15, 1261160), (20, 945870), (24, 788225), (25, 756696), (30, 630580), (40, 472935), (41, 461400), (50, 378348), (60, 315290), (75, 252232), (82, 230700), (100, 189174), (120, 157645), (123, 153800), (150, 126116), (164, 115350), (200, 94587), (205, 92280), (246, 76900), (300, 63058), (328, 57675), (410, 46140), (492, 38450), (600, 31529), (615, 30760), (769, 24600), (820, 23070), (984, 19225), (1025, 18456), (1230, 15380), (1538, 12300), (1640, 11535), (2050, 9228), (2307, 8200), (2460, 7690), (3075, 6152), (3076, 6150), (3845, 4920), (4100, 4614)]