18366978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 43711488

約数和(自身を除く): 25344510

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 67, 107, 122, 134, 183, 201, 214, 321, 366, 402, 427, 469, 642, 749, 854, 938, 1281, 1407, 1498, 2247, 2562, 2814, 4087, 4494, 6527, 7169, 8174, 12261, 13054, 14338, 19581, 21507, 24522, 28609, 39162, 43014, 45689, 50183, 57218, 85827, 91378, 100366, 137067, 150549, 171654, 274134, 301098, 437309, 874618, 1311927, 2623854, 3061163, 6122326, 9183489, 18366978]

約数ペア:

[(1, 18366978), (2, 9183489), (3, 6122326), (6, 3061163), (7, 2623854), (14, 1311927), (21, 874618), (42, 437309), (61, 301098), (67, 274134), (107, 171654), (122, 150549), (134, 137067), (183, 100366), (201, 91378), (214, 85827), (321, 57218), (366, 50183), (402, 45689), (427, 43014), (469, 39162), (642, 28609), (749, 24522), (854, 21507), (938, 19581), (1281, 14338), (1407, 13054), (1498, 12261), (2247, 8174), (2562, 7169), (2814, 6527), (4087, 4494)]