19651968

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{2437}}^1$

素因数の和:2464

約数の個数: 96

約数和(自身を含む): 64655760

約数和(自身を除く): 45003792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 288, 336, 384, 448, 504, 576, 672, 896, 1008, 1152, 1344, 2016, 2437, 2688, 4032, 4874, 7311, 8064, 9748, 14622, 17059, 19496, 21933, 29244, 34118, 38992, 43866, 51177, 58488, 68236, 77984, 87732, 102354, 116976, 136472, 153531, 155968, 175464, 204708, 233952, 272944, 307062, 311936, 350928, 409416, 467904, 545888, 614124, 701856, 818832, 935808, 1091776, 1228248, 1403712, 1637664, 2183552, 2456496, 2807424, 3275328, 4912992, 6550656, 9825984, 19651968]

約数ペア:

[(1, 19651968), (2, 9825984), (3, 6550656), (4, 4912992), (6, 3275328), (7, 2807424), (8, 2456496), (9, 2183552), (12, 1637664), (14, 1403712), (16, 1228248), (18, 1091776), (21, 935808), (24, 818832), (28, 701856), (32, 614124), (36, 545888), (42, 467904), (48, 409416), (56, 350928), (63, 311936), (64, 307062), (72, 272944), (84, 233952), (96, 204708), (112, 175464), (126, 155968), (128, 153531), (144, 136472), (168, 116976), (192, 102354), (224, 87732), (252, 77984), (288, 68236), (336, 58488), (384, 51177), (448, 43866), (504, 38992), (576, 34118), (672, 29244), (896, 21933), (1008, 19496), (1152, 17059), (1344, 14622), (2016, 9748), (2437, 8064), (2688, 7311), (4032, 4874)]