19804050

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6287}}^1$

素因数の和:6312

約数の個数: 72

約数和(自身を含む): 60817536

約数和(自身を除く): 41013486

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6287, 12574, 18861, 31435, 37722, 44009, 56583, 62870, 88018, 94305, 113166, 132027, 157175, 188610, 220045, 264054, 282915, 314350, 396081, 440090, 471525, 565830, 660135, 792162, 943050, 1100225, 1320270, 1414575, 1980405, 2200450, 2829150, 3300675, 3960810, 6601350, 9902025, 19804050]

約数ペア:

[(1, 19804050), (2, 9902025), (3, 6601350), (5, 3960810), (6, 3300675), (7, 2829150), (9, 2200450), (10, 1980405), (14, 1414575), (15, 1320270), (18, 1100225), (21, 943050), (25, 792162), (30, 660135), (35, 565830), (42, 471525), (45, 440090), (50, 396081), (63, 314350), (70, 282915), (75, 264054), (90, 220045), (105, 188610), (126, 157175), (150, 132027), (175, 113166), (210, 94305), (225, 88018), (315, 62870), (350, 56583), (450, 44009), (525, 37722), (630, 31435), (1050, 18861), (1575, 12574), (3150, 6287)]