19491264

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:187

約数の個数: 168

約数和(自身を含む): 63794640

約数和(自身を除く): 44303376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 64, 72, 76, 78, 96, 104, 114, 117, 137, 144, 152, 156, 171, 192, 208, 228, 234, 247, 274, 288, 304, 312, 342, 411, 416, 456, 468, 494, 548, 576, 608, 624, 684, 741, 822, 832, 912, 936, 988, 1096, 1216, 1233, 1248, 1368, 1482, 1644, 1781, 1824, 1872, 1976, 2192, 2223, 2466, 2496, 2603, 2736, 2964, 3288, 3562, 3648, 3744, 3952, 4384, 4446, 4932, 5206, 5343, 5472, 5928, 6576, 7124, 7488, 7809, 7904, 8768, 8892, 9864, 10412, 10686, 10944, 11856, 13152, 14248, 15618, 15808, 16029, 17784, 19728, 20824, 21372, 23427, 23712, 26304, 28496, 31236, 32058, 33839, 35568, 39456, 41648, 42744, 46854, 47424, 56992, 62472, 64116, 67678, 71136, 78912, 83296, 85488, 93708, 101517, 113984, 124944, 128232, 135356, 142272, 166592, 170976, 187416, 203034, 249888, 256464, 270712, 304551, 341952, 374832, 406068, 499776, 512928, 541424, 609102, 749664, 812136, 1025856, 1082848, 1218204, 1499328, 1624272, 2165696, 2436408, 3248544, 4872816, 6497088, 9745632, 19491264]

約数ペア:

[(1, 19491264), (2, 9745632), (3, 6497088), (4, 4872816), (6, 3248544), (8, 2436408), (9, 2165696), (12, 1624272), (13, 1499328), (16, 1218204), (18, 1082848), (19, 1025856), (24, 812136), (26, 749664), (32, 609102), (36, 541424), (38, 512928), (39, 499776), (48, 406068), (52, 374832), (57, 341952), (64, 304551), (72, 270712), (76, 256464), (78, 249888), (96, 203034), (104, 187416), (114, 170976), (117, 166592), (137, 142272), (144, 135356), (152, 128232), (156, 124944), (171, 113984), (192, 101517), (208, 93708), (228, 85488), (234, 83296), (247, 78912), (274, 71136), (288, 67678), (304, 64116), (312, 62472), (342, 56992), (411, 47424), (416, 46854), (456, 42744), (468, 41648), (494, 39456), (548, 35568), (576, 33839), (608, 32058), (624, 31236), (684, 28496), (741, 26304), (822, 23712), (832, 23427), (912, 21372), (936, 20824), (988, 19728), (1096, 17784), (1216, 16029), (1233, 15808), (1248, 15618), (1368, 14248), (1482, 13152), (1644, 11856), (1781, 10944), (1824, 10686), (1872, 10412), (1976, 9864), (2192, 8892), (2223, 8768), (2466, 7904), (2496, 7809), (2603, 7488), (2736, 7124), (2964, 6576), (3288, 5928), (3562, 5472), (3648, 5343), (3744, 5206), (3952, 4932), (4384, 4446)]