19424574

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 50712480

約数和(自身を除く): 31287906

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 117, 153, 171, 221, 234, 247, 257, 306, 323, 342, 442, 494, 514, 646, 663, 741, 771, 969, 1326, 1482, 1542, 1938, 1989, 2223, 2313, 2907, 3341, 3978, 4199, 4369, 4446, 4626, 4883, 5814, 6682, 8398, 8738, 9766, 10023, 12597, 13107, 14649, 20046, 25194, 26214, 29298, 30069, 37791, 39321, 43947, 56797, 60138, 63479, 75582, 78642, 83011, 87894, 113594, 126958, 166022, 170391, 190437, 249033, 340782, 380874, 498066, 511173, 571311, 747099, 1022346, 1079143, 1142622, 1494198, 2158286, 3237429, 6474858, 9712287, 19424574]

約数ペア:

[(1, 19424574), (2, 9712287), (3, 6474858), (6, 3237429), (9, 2158286), (13, 1494198), (17, 1142622), (18, 1079143), (19, 1022346), (26, 747099), (34, 571311), (38, 511173), (39, 498066), (51, 380874), (57, 340782), (78, 249033), (102, 190437), (114, 170391), (117, 166022), (153, 126958), (171, 113594), (221, 87894), (234, 83011), (247, 78642), (257, 75582), (306, 63479), (323, 60138), (342, 56797), (442, 43947), (494, 39321), (514, 37791), (646, 30069), (663, 29298), (741, 26214), (771, 25194), (969, 20046), (1326, 14649), (1482, 13107), (1542, 12597), (1938, 10023), (1989, 9766), (2223, 8738), (2313, 8398), (2907, 6682), (3341, 5814), (3978, 4883), (4199, 4626), (4369, 4446)]