19855872

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 120

約数和(自身を含む): 59579520

約数和(自身を除く): 39723648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 139, 144, 186, 192, 248, 256, 278, 279, 288, 372, 384, 417, 496, 512, 556, 558, 576, 744, 768, 834, 992, 1112, 1116, 1152, 1251, 1488, 1536, 1668, 1984, 2224, 2232, 2304, 2502, 2976, 3336, 3968, 4309, 4448, 4464, 4608, 5004, 5952, 6672, 7936, 8618, 8896, 8928, 10008, 11904, 12927, 13344, 15872, 17236, 17792, 17856, 20016, 23808, 25854, 26688, 34472, 35584, 35712, 38781, 40032, 47616, 51708, 53376, 68944, 71168, 71424, 77562, 80064, 103416, 106752, 137888, 142848, 155124, 160128, 206832, 213504, 275776, 310248, 320256, 413664, 551552, 620496, 640512, 827328, 1103104, 1240992, 1654656, 2206208, 2481984, 3309312, 4963968, 6618624, 9927936, 19855872]

約数ペア:

[(1, 19855872), (2, 9927936), (3, 6618624), (4, 4963968), (6, 3309312), (8, 2481984), (9, 2206208), (12, 1654656), (16, 1240992), (18, 1103104), (24, 827328), (31, 640512), (32, 620496), (36, 551552), (48, 413664), (62, 320256), (64, 310248), (72, 275776), (93, 213504), (96, 206832), (124, 160128), (128, 155124), (139, 142848), (144, 137888), (186, 106752), (192, 103416), (248, 80064), (256, 77562), (278, 71424), (279, 71168), (288, 68944), (372, 53376), (384, 51708), (417, 47616), (496, 40032), (512, 38781), (556, 35712), (558, 35584), (576, 34472), (744, 26688), (768, 25854), (834, 23808), (992, 20016), (1112, 17856), (1116, 17792), (1152, 17236), (1251, 15872), (1488, 13344), (1536, 12927), (1668, 11904), (1984, 10008), (2224, 8928), (2232, 8896), (2304, 8618), (2502, 7936), (2976, 6672), (3336, 5952), (3968, 5004), (4309, 4608), (4448, 4464)]