19489256

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{39937}}^1$

素因数の和:40004

約数の個数: 16

約数和(自身を含む): 37142340

約数和(自身を除く): 17653084

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 39937, 79874, 159748, 319496, 2436157, 4872314, 9744628, 19489256]

約数ペア:

[(1, 19489256), (2, 9744628), (4, 4872314), (8, 2436157), (61, 319496), (122, 159748), (244, 79874), (488, 39937)]