19891080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5023}}^1$

素因数の和:5051

約数の個数: 96

約数和(自身を含む): 70536960

約数和(自身を除く): 50645880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5023, 10046, 15069, 20092, 25115, 30138, 40184, 45207, 50230, 55253, 60276, 75345, 90414, 100460, 110506, 120552, 150690, 165759, 180828, 200920, 221012, 226035, 276265, 301380, 331518, 361656, 442024, 452070, 497277, 552530, 602760, 663036, 828795, 904140, 994554, 1105060, 1326072, 1657590, 1808280, 1989108, 2210120, 2486385, 3315180, 3978216, 4972770, 6630360, 9945540, 19891080]

約数ペア:

[(1, 19891080), (2, 9945540), (3, 6630360), (4, 4972770), (5, 3978216), (6, 3315180), (8, 2486385), (9, 2210120), (10, 1989108), (11, 1808280), (12, 1657590), (15, 1326072), (18, 1105060), (20, 994554), (22, 904140), (24, 828795), (30, 663036), (33, 602760), (36, 552530), (40, 497277), (44, 452070), (45, 442024), (55, 361656), (60, 331518), (66, 301380), (72, 276265), (88, 226035), (90, 221012), (99, 200920), (110, 180828), (120, 165759), (132, 150690), (165, 120552), (180, 110506), (198, 100460), (220, 90414), (264, 75345), (330, 60276), (360, 55253), (396, 50230), (440, 45207), (495, 40184), (660, 30138), (792, 25115), (990, 20092), (1320, 15069), (1980, 10046), (3960, 5023)]