19158711

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 33094656

約数和(自身を除く): 13935945

約数列:

[1, 3, 11, 13, 17, 33, 37, 39, 51, 71, 111, 143, 187, 213, 221, 407, 429, 481, 561, 629, 663, 781, 923, 1207, 1221, 1443, 1887, 2343, 2431, 2627, 2769, 3621, 5291, 6919, 7293, 7881, 8177, 10153, 13277, 15691, 15873, 20757, 24531, 28897, 30459, 34151, 39831, 44659, 47073, 86691, 89947, 102453, 133977, 172601, 269841, 375661, 491249, 517803, 580567, 1126983, 1473747, 1741701, 6386237, 19158711]

約数ペア:

[(1, 19158711), (3, 6386237), (11, 1741701), (13, 1473747), (17, 1126983), (33, 580567), (37, 517803), (39, 491249), (51, 375661), (71, 269841), (111, 172601), (143, 133977), (187, 102453), (213, 89947), (221, 86691), (407, 47073), (429, 44659), (481, 39831), (561, 34151), (629, 30459), (663, 28897), (781, 24531), (923, 20757), (1207, 15873), (1221, 15691), (1443, 13277), (1887, 10153), (2343, 8177), (2431, 7881), (2627, 7293), (2769, 6919), (3621, 5291)]