19465920

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{751}}^1$

素因数の和:780

約数の個数: 140

約数和(自身を含む): 69335904

約数和(自身を除く): 49869984

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, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 751, 810, 864, 960, 1080, 1296, 1440, 1502, 1620, 1728, 2160, 2253, 2592, 2880, 3004, 3240, 3755, 4320, 4506, 5184, 6008, 6480, 6759, 7510, 8640, 9012, 11265, 12016, 12960, 13518, 15020, 18024, 20277, 22530, 24032, 25920, 27036, 30040, 33795, 36048, 40554, 45060, 48064, 54072, 60080, 60831, 67590, 72096, 81108, 90120, 101385, 108144, 120160, 121662, 135180, 144192, 162216, 180240, 202770, 216288, 240320, 243324, 270360, 304155, 324432, 360480, 405540, 432576, 486648, 540720, 608310, 648864, 720960, 811080, 973296, 1081440, 1216620, 1297728, 1622160, 1946592, 2162880, 2433240, 3244320, 3893184, 4866480, 6488640, 9732960, 19465920]

約数ペア:

[(1, 19465920), (2, 9732960), (3, 6488640), (4, 4866480), (5, 3893184), (6, 3244320), (8, 2433240), (9, 2162880), (10, 1946592), (12, 1622160), (15, 1297728), (16, 1216620), (18, 1081440), (20, 973296), (24, 811080), (27, 720960), (30, 648864), (32, 608310), (36, 540720), (40, 486648), (45, 432576), (48, 405540), (54, 360480), (60, 324432), (64, 304155), (72, 270360), (80, 243324), (81, 240320), (90, 216288), (96, 202770), (108, 180240), (120, 162216), (135, 144192), (144, 135180), (160, 121662), (162, 120160), (180, 108144), (192, 101385), (216, 90120), (240, 81108), (270, 72096), (288, 67590), (320, 60831), (324, 60080), (360, 54072), (405, 48064), (432, 45060), (480, 40554), (540, 36048), (576, 33795), (648, 30040), (720, 27036), (751, 25920), (810, 24032), (864, 22530), (960, 20277), (1080, 18024), (1296, 15020), (1440, 13518), (1502, 12960), (1620, 12016), (1728, 11265), (2160, 9012), (2253, 8640), (2592, 7510), (2880, 6759), (3004, 6480), (3240, 6008), (3755, 5184), (4320, 4506)]