19808256

素因数分解:

$2^{14}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 58718464

約数和(自身を除く): 38910208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 512, 624, 744, 768, 806, 832, 992, 1024, 1209, 1248, 1488, 1536, 1612, 1664, 1984, 2048, 2418, 2496, 2976, 3072, 3224, 3328, 3968, 4096, 4836, 4992, 5952, 6144, 6448, 6656, 7936, 8192, 9672, 9984, 11904, 12288, 12896, 13312, 15872, 16384, 19344, 19968, 23808, 24576, 25792, 26624, 31744, 38688, 39936, 47616, 49152, 51584, 53248, 63488, 77376, 79872, 95232, 103168, 106496, 126976, 154752, 159744, 190464, 206336, 212992, 253952, 309504, 319488, 380928, 412672, 507904, 619008, 638976, 761856, 825344, 1238016, 1523712, 1650688, 2476032, 3301376, 4952064, 6602752, 9904128, 19808256]

約数ペア:

[(1, 19808256), (2, 9904128), (3, 6602752), (4, 4952064), (6, 3301376), (8, 2476032), (12, 1650688), (13, 1523712), (16, 1238016), (24, 825344), (26, 761856), (31, 638976), (32, 619008), (39, 507904), (48, 412672), (52, 380928), (62, 319488), (64, 309504), (78, 253952), (93, 212992), (96, 206336), (104, 190464), (124, 159744), (128, 154752), (156, 126976), (186, 106496), (192, 103168), (208, 95232), (248, 79872), (256, 77376), (312, 63488), (372, 53248), (384, 51584), (403, 49152), (416, 47616), (496, 39936), (512, 38688), (624, 31744), (744, 26624), (768, 25792), (806, 24576), (832, 23808), (992, 19968), (1024, 19344), (1209, 16384), (1248, 15872), (1488, 13312), (1536, 12896), (1612, 12288), (1664, 11904), (1984, 9984), (2048, 9672), (2418, 8192), (2496, 7936), (2976, 6656), (3072, 6448), (3224, 6144), (3328, 5952), (3968, 4992), (4096, 4836)]