18493608

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 37908312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 53, 56, 62, 67, 84, 93, 106, 124, 134, 159, 168, 186, 201, 212, 217, 248, 268, 318, 371, 372, 402, 424, 434, 469, 536, 636, 651, 742, 744, 804, 868, 938, 1113, 1272, 1302, 1407, 1484, 1608, 1643, 1736, 1876, 2077, 2226, 2604, 2814, 2968, 3286, 3551, 3752, 4154, 4452, 4929, 5208, 5628, 6231, 6572, 7102, 8308, 8904, 9858, 10653, 11256, 11501, 12462, 13144, 14204, 14539, 16616, 19716, 21306, 23002, 24857, 24924, 28408, 29078, 34503, 39432, 42612, 43617, 46004, 49714, 49848, 58156, 69006, 74571, 85224, 87234, 92008, 99428, 110081, 116312, 138012, 149142, 174468, 198856, 220162, 276024, 298284, 330243, 348936, 440324, 596568, 660486, 770567, 880648, 1320972, 1541134, 2311701, 2641944, 3082268, 4623402, 6164536, 9246804, 18493608]

約数ペア:

[(1, 18493608), (2, 9246804), (3, 6164536), (4, 4623402), (6, 3082268), (7, 2641944), (8, 2311701), (12, 1541134), (14, 1320972), (21, 880648), (24, 770567), (28, 660486), (31, 596568), (42, 440324), (53, 348936), (56, 330243), (62, 298284), (67, 276024), (84, 220162), (93, 198856), (106, 174468), (124, 149142), (134, 138012), (159, 116312), (168, 110081), (186, 99428), (201, 92008), (212, 87234), (217, 85224), (248, 74571), (268, 69006), (318, 58156), (371, 49848), (372, 49714), (402, 46004), (424, 43617), (434, 42612), (469, 39432), (536, 34503), (636, 29078), (651, 28408), (742, 24924), (744, 24857), (804, 23002), (868, 21306), (938, 19716), (1113, 16616), (1272, 14539), (1302, 14204), (1407, 13144), (1484, 12462), (1608, 11501), (1643, 11256), (1736, 10653), (1876, 9858), (2077, 8904), (2226, 8308), (2604, 7102), (2814, 6572), (2968, 6231), (3286, 5628), (3551, 5208), (3752, 4929), (4154, 4452)]