19609947

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:912

約数の個数: 36

約数和(自身を含む): 33611760

約数和(自身を除く): 14001813

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 839, 1113, 2517, 2597, 3339, 5873, 7551, 7791, 17619, 23373, 41111, 44467, 52857, 123333, 133401, 311269, 369999, 400203, 933807, 2178883, 2801421, 6536649, 19609947]

約数ペア:

[(1, 19609947), (3, 6536649), (7, 2801421), (9, 2178883), (21, 933807), (49, 400203), (53, 369999), (63, 311269), (147, 133401), (159, 123333), (371, 52857), (441, 44467), (477, 41111), (839, 23373), (1113, 17619), (2517, 7791), (2597, 7551), (3339, 5873)]