19867974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4421}}^1$

素因数の和:4540

約数の個数: 32

約数和(自身を含む): 45847296

約数和(自身を除く): 25979322

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4421, 4494, 8842, 13263, 26526, 30947, 61894, 92841, 185682, 473047, 946094, 1419141, 2838282, 3311329, 6622658, 9933987, 19867974]

約数ペア:

[(1, 19867974), (2, 9933987), (3, 6622658), (6, 3311329), (7, 2838282), (14, 1419141), (21, 946094), (42, 473047), (107, 185682), (214, 92841), (321, 61894), (642, 30947), (749, 26526), (1498, 13263), (2247, 8842), (4421, 4494)]