19521000

素因数分解:

$2^3\times 3^4\times 5^3\times {\mathrm{241}}^1$

素因数の和:274

約数の個数: 160

約数和(自身を含む): 68519880

約数和(自身を除く): 48998880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 125, 135, 150, 162, 180, 200, 216, 225, 241, 250, 270, 300, 324, 360, 375, 405, 450, 482, 500, 540, 600, 648, 675, 723, 750, 810, 900, 964, 1000, 1080, 1125, 1205, 1350, 1446, 1500, 1620, 1800, 1928, 2025, 2169, 2250, 2410, 2700, 2892, 3000, 3240, 3375, 3615, 4050, 4338, 4500, 4820, 5400, 5784, 6025, 6507, 6750, 7230, 8100, 8676, 9000, 9640, 10125, 10845, 12050, 13014, 13500, 14460, 16200, 17352, 18075, 19521, 20250, 21690, 24100, 26028, 27000, 28920, 30125, 32535, 36150, 39042, 40500, 43380, 48200, 52056, 54225, 60250, 65070, 72300, 78084, 81000, 86760, 90375, 97605, 108450, 120500, 130140, 144600, 156168, 162675, 180750, 195210, 216900, 241000, 260280, 271125, 325350, 361500, 390420, 433800, 488025, 542250, 650700, 723000, 780840, 813375, 976050, 1084500, 1301400, 1626750, 1952100, 2169000, 2440125, 3253500, 3904200, 4880250, 6507000, 9760500, 19521000]

約数ペア:

[(1, 19521000), (2, 9760500), (3, 6507000), (4, 4880250), (5, 3904200), (6, 3253500), (8, 2440125), (9, 2169000), (10, 1952100), (12, 1626750), (15, 1301400), (18, 1084500), (20, 976050), (24, 813375), (25, 780840), (27, 723000), (30, 650700), (36, 542250), (40, 488025), (45, 433800), (50, 390420), (54, 361500), (60, 325350), (72, 271125), (75, 260280), (81, 241000), (90, 216900), (100, 195210), (108, 180750), (120, 162675), (125, 156168), (135, 144600), (150, 130140), (162, 120500), (180, 108450), (200, 97605), (216, 90375), (225, 86760), (241, 81000), (250, 78084), (270, 72300), (300, 65070), (324, 60250), (360, 54225), (375, 52056), (405, 48200), (450, 43380), (482, 40500), (500, 39042), (540, 36150), (600, 32535), (648, 30125), (675, 28920), (723, 27000), (750, 26028), (810, 24100), (900, 21690), (964, 20250), (1000, 19521), (1080, 18075), (1125, 17352), (1205, 16200), (1350, 14460), (1446, 13500), (1500, 13014), (1620, 12050), (1800, 10845), (1928, 10125), (2025, 9640), (2169, 9000), (2250, 8676), (2410, 8100), (2700, 7230), (2892, 6750), (3000, 6507), (3240, 6025), (3375, 5784), (3615, 5400), (4050, 4820), (4338, 4500)]