19818891960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23593919}}^1$

素因数の和:23593940

約数の個数: 64

約数和(自身を含む): 67950489600

約数和(自身を除く): 48131597640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23593919, 47187838, 70781757, 94375676, 117969595, 141563514, 165157433, 188751352, 235939190, 283127028, 330314866, 353908785, 471878380, 495472299, 566254056, 660629732, 707817570, 825787165, 943756760, 990944598, 1321259464, 1415635140, 1651574330, 1981889196, 2477361495, 2831270280, 3303148660, 3963778392, 4954722990, 6606297320, 9909445980, 19818891960]

約数ペア:

[(1, 19818891960), (2, 9909445980), (3, 6606297320), (4, 4954722990), (5, 3963778392), (6, 3303148660), (7, 2831270280), (8, 2477361495), (10, 1981889196), (12, 1651574330), (14, 1415635140), (15, 1321259464), (20, 990944598), (21, 943756760), (24, 825787165), (28, 707817570), (30, 660629732), (35, 566254056), (40, 495472299), (42, 471878380), (56, 353908785), (60, 330314866), (70, 283127028), (84, 235939190), (105, 188751352), (120, 165157433), (140, 141563514), (168, 117969595), (210, 94375676), (280, 70781757), (420, 47187838), (840, 23593919)]