18940416

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 160

約数和(自身を含む): 58924800

約数和(自身を除く): 39984384

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 59, 64, 66, 76, 88, 96, 114, 118, 128, 132, 152, 176, 177, 192, 209, 228, 236, 256, 264, 304, 352, 354, 384, 418, 456, 472, 512, 528, 608, 627, 649, 704, 708, 768, 836, 912, 944, 1056, 1121, 1216, 1254, 1298, 1408, 1416, 1536, 1672, 1824, 1888, 1947, 2112, 2242, 2432, 2508, 2596, 2816, 2832, 3344, 3363, 3648, 3776, 3894, 4224, 4484, 4864, 5016, 5192, 5632, 5664, 6688, 6726, 7296, 7552, 7788, 8448, 8968, 9728, 10032, 10384, 11328, 12331, 13376, 13452, 14592, 15104, 15576, 16896, 17936, 20064, 20768, 22656, 24662, 26752, 26904, 29184, 30208, 31152, 35872, 36993, 40128, 41536, 45312, 49324, 53504, 53808, 62304, 71744, 73986, 80256, 83072, 90624, 98648, 107008, 107616, 124608, 143488, 147972, 160512, 166144, 197296, 215232, 249216, 286976, 295944, 321024, 332288, 394592, 430464, 498432, 573952, 591888, 789184, 860928, 996864, 1183776, 1578368, 1721856, 2367552, 3156736, 4735104, 6313472, 9470208, 18940416]

約数ペア:

[(1, 18940416), (2, 9470208), (3, 6313472), (4, 4735104), (6, 3156736), (8, 2367552), (11, 1721856), (12, 1578368), (16, 1183776), (19, 996864), (22, 860928), (24, 789184), (32, 591888), (33, 573952), (38, 498432), (44, 430464), (48, 394592), (57, 332288), (59, 321024), (64, 295944), (66, 286976), (76, 249216), (88, 215232), (96, 197296), (114, 166144), (118, 160512), (128, 147972), (132, 143488), (152, 124608), (176, 107616), (177, 107008), (192, 98648), (209, 90624), (228, 83072), (236, 80256), (256, 73986), (264, 71744), (304, 62304), (352, 53808), (354, 53504), (384, 49324), (418, 45312), (456, 41536), (472, 40128), (512, 36993), (528, 35872), (608, 31152), (627, 30208), (649, 29184), (704, 26904), (708, 26752), (768, 24662), (836, 22656), (912, 20768), (944, 20064), (1056, 17936), (1121, 16896), (1216, 15576), (1254, 15104), (1298, 14592), (1408, 13452), (1416, 13376), (1536, 12331), (1672, 11328), (1824, 10384), (1888, 10032), (1947, 9728), (2112, 8968), (2242, 8448), (2432, 7788), (2508, 7552), (2596, 7296), (2816, 6726), (2832, 6688), (3344, 5664), (3363, 5632), (3648, 5192), (3776, 5016), (3894, 4864), (4224, 4484)]