19959732

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42649}}^1$

素因数の和:42672

約数の個数: 36

約数和(自身を含む): 54336100

約数和(自身を除く): 34376368

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42649, 85298, 127947, 170596, 255894, 383841, 511788, 554437, 767682, 1108874, 1535364, 1663311, 2217748, 3326622, 4989933, 6653244, 9979866, 19959732]

約数ペア:

[(1, 19959732), (2, 9979866), (3, 6653244), (4, 4989933), (6, 3326622), (9, 2217748), (12, 1663311), (13, 1535364), (18, 1108874), (26, 767682), (36, 554437), (39, 511788), (52, 383841), (78, 255894), (117, 170596), (156, 127947), (234, 85298), (468, 42649)]