1920799816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{3547}}^1$

素因数の和:3734

約数の個数: 64

約数和(自身を含む): 4005550080

約数和(自身を除く): 2084750264

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 127, 164, 254, 328, 508, 533, 1016, 1066, 1651, 2132, 3302, 3547, 4264, 5207, 6604, 7094, 10414, 13208, 14188, 20828, 28376, 41656, 46111, 67691, 92222, 135382, 145427, 184444, 270764, 290854, 368888, 450469, 541528, 581708, 900938, 1163416, 1801876, 1890551, 3603752, 3781102, 5856097, 7562204, 11712194, 15124408, 18469229, 23424388, 36938458, 46848776, 73876916, 147753832, 240099977, 480199954, 960399908, 1920799816]

約数ペア:

[(1, 1920799816), (2, 960399908), (4, 480199954), (8, 240099977), (13, 147753832), (26, 73876916), (41, 46848776), (52, 36938458), (82, 23424388), (104, 18469229), (127, 15124408), (164, 11712194), (254, 7562204), (328, 5856097), (508, 3781102), (533, 3603752), (1016, 1890551), (1066, 1801876), (1651, 1163416), (2132, 900938), (3302, 581708), (3547, 541528), (4264, 450469), (5207, 368888), (6604, 290854), (7094, 270764), (10414, 184444), (13208, 145427), (14188, 135382), (20828, 92222), (28376, 67691), (41656, 46111)]