19390728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{115421}}^1$

素因数の和:115437

約数の個数: 32

約数和(自身を含む): 55402560

約数和(自身を除く): 36011832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 115421, 230842, 346263, 461684, 692526, 807947, 923368, 1385052, 1615894, 2423841, 2770104, 3231788, 4847682, 6463576, 9695364, 19390728]

約数ペア:

[(1, 19390728), (2, 9695364), (3, 6463576), (4, 4847682), (6, 3231788), (7, 2770104), (8, 2423841), (12, 1615894), (14, 1385052), (21, 923368), (24, 807947), (28, 692526), (42, 461684), (56, 346263), (84, 230842), (168, 115421)]