18047348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 35925120

約数和(自身を除く): 17877772

約数列:

[1, 2, 4, 11, 22, 44, 53, 71, 106, 109, 142, 212, 218, 284, 436, 583, 781, 1166, 1199, 1562, 2332, 2398, 3124, 3763, 4796, 5777, 7526, 7739, 11554, 15052, 15478, 23108, 30956, 41393, 63547, 82786, 85129, 127094, 165572, 170258, 254188, 340516, 410167, 820334, 1640668, 4511837, 9023674, 18047348]

約数ペア:

[(1, 18047348), (2, 9023674), (4, 4511837), (11, 1640668), (22, 820334), (44, 410167), (53, 340516), (71, 254188), (106, 170258), (109, 165572), (142, 127094), (212, 85129), (218, 82786), (284, 63547), (436, 41393), (583, 30956), (781, 23108), (1166, 15478), (1199, 15052), (1562, 11554), (2332, 7739), (2398, 7526), (3124, 5777), (3763, 4796)]