19458512

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19937}}^1$

素因数の和:20006

約数の個数: 20

約数和(自身を含む): 38320836

約数和(自身を除く): 18862324

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19937, 39874, 79748, 159496, 318992, 1216157, 2432314, 4864628, 9729256, 19458512]

約数ペア:

[(1, 19458512), (2, 9729256), (4, 4864628), (8, 2432314), (16, 1216157), (61, 318992), (122, 159496), (244, 79748), (488, 39874), (976, 19937)]