19658918090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5731463}}^1$

素因数の和:5731491

約数の個数: 32

約数和(自身を含む): 41266540800

約数和(自身を除く): 21607622710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5731463, 11462926, 28657315, 40120241, 57314630, 80240482, 200601205, 280841687, 401202410, 561683374, 1404208435, 1965891809, 2808416870, 3931783618, 9829459045, 19658918090]

約数ペア:

[(1, 19658918090), (2, 9829459045), (5, 3931783618), (7, 2808416870), (10, 1965891809), (14, 1404208435), (35, 561683374), (49, 401202410), (70, 280841687), (98, 200601205), (245, 80240482), (343, 57314630), (490, 40120241), (686, 28657315), (1715, 11462926), (3430, 5731463)]