18166456

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{383}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 43666560

約数和(自身を除く): 25500104

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 383, 392, 484, 539, 616, 766, 847, 968, 1078, 1532, 1694, 2156, 2681, 3064, 3388, 4213, 4312, 5362, 5929, 6776, 8426, 10724, 11858, 16852, 18767, 21448, 23716, 29491, 33704, 37534, 46343, 47432, 58982, 75068, 92686, 117964, 150136, 185372, 206437, 235928, 324401, 370744, 412874, 648802, 825748, 1297604, 1651496, 2270807, 2595208, 4541614, 9083228, 18166456]

約数ペア:

[(1, 18166456), (2, 9083228), (4, 4541614), (7, 2595208), (8, 2270807), (11, 1651496), (14, 1297604), (22, 825748), (28, 648802), (44, 412874), (49, 370744), (56, 324401), (77, 235928), (88, 206437), (98, 185372), (121, 150136), (154, 117964), (196, 92686), (242, 75068), (308, 58982), (383, 47432), (392, 46343), (484, 37534), (539, 33704), (616, 29491), (766, 23716), (847, 21448), (968, 18767), (1078, 16852), (1532, 11858), (1694, 10724), (2156, 8426), (2681, 6776), (3064, 5929), (3388, 5362), (4213, 4312)]