18281952

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 144

約数和(自身を含む): 59164560

約数和(自身を除く): 40882608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 257, 288, 304, 312, 342, 416, 456, 468, 494, 514, 608, 624, 684, 741, 771, 912, 936, 988, 1028, 1248, 1368, 1482, 1542, 1824, 1872, 1976, 2056, 2223, 2313, 2736, 2964, 3084, 3341, 3744, 3952, 4112, 4446, 4626, 4883, 5472, 5928, 6168, 6682, 7904, 8224, 8892, 9252, 9766, 10023, 11856, 12336, 13364, 14649, 17784, 18504, 19532, 20046, 23712, 24672, 26728, 29298, 30069, 35568, 37008, 39064, 40092, 43947, 53456, 58596, 60138, 63479, 71136, 74016, 78128, 80184, 87894, 106912, 117192, 120276, 126958, 156256, 160368, 175788, 190437, 234384, 240552, 253916, 320736, 351576, 380874, 468768, 481104, 507832, 571311, 703152, 761748, 962208, 1015664, 1142622, 1406304, 1523496, 2031328, 2285244, 3046992, 4570488, 6093984, 9140976, 18281952]

約数ペア:

[(1, 18281952), (2, 9140976), (3, 6093984), (4, 4570488), (6, 3046992), (8, 2285244), (9, 2031328), (12, 1523496), (13, 1406304), (16, 1142622), (18, 1015664), (19, 962208), (24, 761748), (26, 703152), (32, 571311), (36, 507832), (38, 481104), (39, 468768), (48, 380874), (52, 351576), (57, 320736), (72, 253916), (76, 240552), (78, 234384), (96, 190437), (104, 175788), (114, 160368), (117, 156256), (144, 126958), (152, 120276), (156, 117192), (171, 106912), (208, 87894), (228, 80184), (234, 78128), (247, 74016), (257, 71136), (288, 63479), (304, 60138), (312, 58596), (342, 53456), (416, 43947), (456, 40092), (468, 39064), (494, 37008), (514, 35568), (608, 30069), (624, 29298), (684, 26728), (741, 24672), (771, 23712), (912, 20046), (936, 19532), (988, 18504), (1028, 17784), (1248, 14649), (1368, 13364), (1482, 12336), (1542, 11856), (1824, 10023), (1872, 9766), (1976, 9252), (2056, 8892), (2223, 8224), (2313, 7904), (2736, 6682), (2964, 6168), (3084, 5928), (3341, 5472), (3744, 4883), (3952, 4626), (4112, 4446)]