19319157

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 34751808

約数和(自身を除く): 15432651

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 883, 1287, 1683, 1989, 2431, 2649, 7293, 7947, 9713, 11479, 15011, 21879, 29139, 34437, 45033, 87417, 103311, 126269, 135099, 165121, 195143, 378807, 495363, 585429, 1136421, 1486089, 1756287, 2146573, 6439719, 19319157]

約数ペア:

[(1, 19319157), (3, 6439719), (9, 2146573), (11, 1756287), (13, 1486089), (17, 1136421), (33, 585429), (39, 495363), (51, 378807), (99, 195143), (117, 165121), (143, 135099), (153, 126269), (187, 103311), (221, 87417), (429, 45033), (561, 34437), (663, 29139), (883, 21879), (1287, 15011), (1683, 11479), (1989, 9713), (2431, 7947), (2649, 7293)]