19679744

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 120

約数和(自身を含む): 50249760

約数和(自身を除く): 30570016

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 64, 68, 76, 112, 119, 128, 133, 136, 152, 224, 238, 256, 266, 272, 289, 304, 323, 448, 476, 512, 532, 544, 578, 608, 646, 896, 952, 1064, 1088, 1156, 1216, 1292, 1792, 1904, 2023, 2128, 2176, 2261, 2312, 2432, 2584, 3584, 3808, 4046, 4256, 4352, 4522, 4624, 4864, 5168, 5491, 7616, 8092, 8512, 8704, 9044, 9248, 9728, 10336, 10982, 15232, 16184, 17024, 18088, 18496, 20672, 21964, 30464, 32368, 34048, 36176, 36992, 38437, 41344, 43928, 60928, 64736, 68096, 72352, 73984, 76874, 82688, 87856, 129472, 144704, 147968, 153748, 165376, 175712, 258944, 289408, 307496, 351424, 517888, 578816, 614992, 702848, 1035776, 1157632, 1229984, 1405696, 2459968, 2811392, 4919936, 9839872, 19679744]

約数ペア:

[(1, 19679744), (2, 9839872), (4, 4919936), (7, 2811392), (8, 2459968), (14, 1405696), (16, 1229984), (17, 1157632), (19, 1035776), (28, 702848), (32, 614992), (34, 578816), (38, 517888), (56, 351424), (64, 307496), (68, 289408), (76, 258944), (112, 175712), (119, 165376), (128, 153748), (133, 147968), (136, 144704), (152, 129472), (224, 87856), (238, 82688), (256, 76874), (266, 73984), (272, 72352), (289, 68096), (304, 64736), (323, 60928), (448, 43928), (476, 41344), (512, 38437), (532, 36992), (544, 36176), (578, 34048), (608, 32368), (646, 30464), (896, 21964), (952, 20672), (1064, 18496), (1088, 18088), (1156, 17024), (1216, 16184), (1292, 15232), (1792, 10982), (1904, 10336), (2023, 9728), (2128, 9248), (2176, 9044), (2261, 8704), (2312, 8512), (2432, 8092), (2584, 7616), (3584, 5491), (3808, 5168), (4046, 4864), (4256, 4624), (4352, 4522)]