19690242

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 47246976

約数和(自身を除く): 27556734

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 53, 66, 78, 106, 143, 159, 286, 318, 429, 433, 583, 689, 858, 866, 1166, 1299, 1378, 1749, 2067, 2598, 3498, 4134, 4763, 5629, 7579, 9526, 11258, 14289, 15158, 16887, 22737, 22949, 28578, 33774, 45474, 45898, 61919, 68847, 123838, 137694, 185757, 252439, 298337, 371514, 504878, 596674, 757317, 895011, 1514634, 1790022, 3281707, 6563414, 9845121, 19690242]

約数ペア:

[(1, 19690242), (2, 9845121), (3, 6563414), (6, 3281707), (11, 1790022), (13, 1514634), (22, 895011), (26, 757317), (33, 596674), (39, 504878), (53, 371514), (66, 298337), (78, 252439), (106, 185757), (143, 137694), (159, 123838), (286, 68847), (318, 61919), (429, 45898), (433, 45474), (583, 33774), (689, 28578), (858, 22949), (866, 22737), (1166, 16887), (1299, 15158), (1378, 14289), (1749, 11258), (2067, 9526), (2598, 7579), (3498, 5629), (4134, 4763)]