19809244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54421}}^1$

素因数の和:54445

約数の個数: 24

約数和(自身を含む): 42666848

約数和(自身を除く): 22857604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54421, 108842, 217684, 380947, 707473, 761894, 1414946, 1523788, 2829892, 4952311, 9904622, 19809244]

約数ペア:

[(1, 19809244), (2, 9904622), (4, 4952311), (7, 2829892), (13, 1523788), (14, 1414946), (26, 761894), (28, 707473), (52, 380947), (91, 217684), (182, 108842), (364, 54421)]