19994850

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{4937}}^1$

素因数の和:4961

約数の個数: 60

約数和(自身を含む): 55567314

約数和(自身を除く): 35572464

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 270, 405, 450, 675, 810, 1350, 2025, 4050, 4937, 9874, 14811, 24685, 29622, 44433, 49370, 74055, 88866, 123425, 133299, 148110, 222165, 246850, 266598, 370275, 399897, 444330, 666495, 740550, 799794, 1110825, 1332990, 1999485, 2221650, 3332475, 3998970, 6664950, 9997425, 19994850]

約数ペア:

[(1, 19994850), (2, 9997425), (3, 6664950), (5, 3998970), (6, 3332475), (9, 2221650), (10, 1999485), (15, 1332990), (18, 1110825), (25, 799794), (27, 740550), (30, 666495), (45, 444330), (50, 399897), (54, 370275), (75, 266598), (81, 246850), (90, 222165), (135, 148110), (150, 133299), (162, 123425), (225, 88866), (270, 74055), (405, 49370), (450, 44433), (675, 29622), (810, 24685), (1350, 14811), (2025, 9874), (4050, 4937)]