18656568

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{457}}^1$

素因数の和:488

約数の個数: 112

約数和(自身を含む): 60071280

約数和(自身を除く): 41414712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 457, 486, 504, 567, 648, 729, 756, 914, 972, 1134, 1371, 1458, 1512, 1701, 1828, 1944, 2268, 2742, 2916, 3199, 3402, 3656, 4113, 4536, 5103, 5484, 5832, 6398, 6804, 8226, 9597, 10206, 10968, 12339, 12796, 13608, 16452, 19194, 20412, 24678, 25592, 28791, 32904, 37017, 38388, 40824, 49356, 57582, 74034, 76776, 86373, 98712, 111051, 115164, 148068, 172746, 222102, 230328, 259119, 296136, 333153, 345492, 444204, 518238, 666306, 690984, 777357, 888408, 1036476, 1332612, 1554714, 2072952, 2332071, 2665224, 3109428, 4664142, 6218856, 9328284, 18656568]

約数ペア:

[(1, 18656568), (2, 9328284), (3, 6218856), (4, 4664142), (6, 3109428), (7, 2665224), (8, 2332071), (9, 2072952), (12, 1554714), (14, 1332612), (18, 1036476), (21, 888408), (24, 777357), (27, 690984), (28, 666306), (36, 518238), (42, 444204), (54, 345492), (56, 333153), (63, 296136), (72, 259119), (81, 230328), (84, 222102), (108, 172746), (126, 148068), (162, 115164), (168, 111051), (189, 98712), (216, 86373), (243, 76776), (252, 74034), (324, 57582), (378, 49356), (457, 40824), (486, 38388), (504, 37017), (567, 32904), (648, 28791), (729, 25592), (756, 24678), (914, 20412), (972, 19194), (1134, 16452), (1371, 13608), (1458, 12796), (1512, 12339), (1701, 10968), (1828, 10206), (1944, 9597), (2268, 8226), (2742, 6804), (2916, 6398), (3199, 5832), (3402, 5484), (3656, 5103), (4113, 4536)]