以下Python代码用于实现统计整数对应的因数，示例结果如 {12: [1, 2, 3, 4, 6, 12], 18: [1, 2, 3, 6, 9, 18]}，请补全横线处的代码：

Factor = {}
for i in range(1, 100):
    for j in range(1, i+1):
        if i % j == 0:
            Factor[i] = ____________