19406499

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1361}}^1$

素因数の和:1475

約数の個数: 24

約数和(自身を含む): 30432528

約数和(自身を除く): 11026029

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 1361, 2037, 4083, 4753, 9527, 14259, 28581, 66689, 132017, 200067, 396051, 924119, 2772357, 6468833, 19406499]

約数ペア:

[(1, 19406499), (3, 6468833), (7, 2772357), (21, 924119), (49, 396051), (97, 200067), (147, 132017), (291, 66689), (679, 28581), (1361, 14259), (2037, 9527), (4083, 4753)]