18515952

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:197

約数の個数: 200

約数和(自身を含む): 66377696

約数和(自身を除く): 47861744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 112, 117, 126, 144, 156, 157, 162, 168, 182, 189, 208, 216, 234, 252, 273, 312, 314, 324, 336, 351, 364, 378, 432, 468, 471, 504, 546, 567, 624, 628, 648, 702, 728, 756, 819, 936, 942, 1008, 1053, 1092, 1099, 1134, 1256, 1296, 1404, 1413, 1456, 1512, 1638, 1872, 1884, 2041, 2106, 2184, 2198, 2268, 2457, 2512, 2808, 2826, 3024, 3276, 3297, 3768, 4082, 4212, 4239, 4368, 4396, 4536, 4914, 5616, 5652, 6123, 6552, 6594, 7371, 7536, 8164, 8424, 8478, 8792, 9072, 9828, 9891, 11304, 12246, 12717, 13104, 13188, 14287, 14742, 16328, 16848, 16956, 17584, 18369, 19656, 19782, 22608, 24492, 25434, 26376, 28574, 29484, 29673, 32656, 33912, 36738, 39312, 39564, 42861, 48984, 50868, 52752, 55107, 57148, 58968, 59346, 67824, 73476, 79128, 85722, 89019, 97968, 101736, 110214, 114296, 117936, 118692, 128583, 146952, 158256, 165321, 171444, 178038, 203472, 220428, 228592, 237384, 257166, 293904, 330642, 342888, 356076, 385749, 440856, 474768, 514332, 661284, 685776, 712152, 771498, 881712, 1028664, 1157247, 1322568, 1424304, 1542996, 2057328, 2314494, 2645136, 3085992, 4628988, 6171984, 9257976, 18515952]

約数ペア:

[(1, 18515952), (2, 9257976), (3, 6171984), (4, 4628988), (6, 3085992), (7, 2645136), (8, 2314494), (9, 2057328), (12, 1542996), (13, 1424304), (14, 1322568), (16, 1157247), (18, 1028664), (21, 881712), (24, 771498), (26, 712152), (27, 685776), (28, 661284), (36, 514332), (39, 474768), (42, 440856), (48, 385749), (52, 356076), (54, 342888), (56, 330642), (63, 293904), (72, 257166), (78, 237384), (81, 228592), (84, 220428), (91, 203472), (104, 178038), (108, 171444), (112, 165321), (117, 158256), (126, 146952), (144, 128583), (156, 118692), (157, 117936), (162, 114296), (168, 110214), (182, 101736), (189, 97968), (208, 89019), (216, 85722), (234, 79128), (252, 73476), (273, 67824), (312, 59346), (314, 58968), (324, 57148), (336, 55107), (351, 52752), (364, 50868), (378, 48984), (432, 42861), (468, 39564), (471, 39312), (504, 36738), (546, 33912), (567, 32656), (624, 29673), (628, 29484), (648, 28574), (702, 26376), (728, 25434), (756, 24492), (819, 22608), (936, 19782), (942, 19656), (1008, 18369), (1053, 17584), (1092, 16956), (1099, 16848), (1134, 16328), (1256, 14742), (1296, 14287), (1404, 13188), (1413, 13104), (1456, 12717), (1512, 12246), (1638, 11304), (1872, 9891), (1884, 9828), (2041, 9072), (2106, 8792), (2184, 8478), (2198, 8424), (2268, 8164), (2457, 7536), (2512, 7371), (2808, 6594), (2826, 6552), (3024, 6123), (3276, 5652), (3297, 5616), (3768, 4914), (4082, 4536), (4212, 4396), (4239, 4368)]