19781888

素因数分解:

$2^8\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 108

約数和(自身を含む): 48933360

約数和(自身を除く): 29151472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 83, 98, 112, 128, 133, 152, 166, 196, 224, 256, 266, 304, 332, 392, 448, 532, 581, 608, 664, 784, 896, 931, 1064, 1162, 1216, 1328, 1568, 1577, 1792, 1862, 2128, 2324, 2432, 2656, 3136, 3154, 3724, 4067, 4256, 4648, 4864, 5312, 6272, 6308, 7448, 8134, 8512, 9296, 10624, 11039, 12544, 12616, 14896, 16268, 17024, 18592, 21248, 22078, 25232, 29792, 32536, 34048, 37184, 44156, 50464, 59584, 65072, 74368, 77273, 88312, 100928, 119168, 130144, 148736, 154546, 176624, 201856, 238336, 260288, 309092, 353248, 403712, 520576, 618184, 706496, 1041152, 1236368, 1412992, 2472736, 2825984, 4945472, 9890944, 19781888]

約数ペア:

[(1, 19781888), (2, 9890944), (4, 4945472), (7, 2825984), (8, 2472736), (14, 1412992), (16, 1236368), (19, 1041152), (28, 706496), (32, 618184), (38, 520576), (49, 403712), (56, 353248), (64, 309092), (76, 260288), (83, 238336), (98, 201856), (112, 176624), (128, 154546), (133, 148736), (152, 130144), (166, 119168), (196, 100928), (224, 88312), (256, 77273), (266, 74368), (304, 65072), (332, 59584), (392, 50464), (448, 44156), (532, 37184), (581, 34048), (608, 32536), (664, 29792), (784, 25232), (896, 22078), (931, 21248), (1064, 18592), (1162, 17024), (1216, 16268), (1328, 14896), (1568, 12616), (1577, 12544), (1792, 11039), (1862, 10624), (2128, 9296), (2324, 8512), (2432, 8134), (2656, 7448), (3136, 6308), (3154, 6272), (3724, 5312), (4067, 4864), (4256, 4648)]