18792970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5479}}^1$

素因数の和:5507

約数の個数: 32

約数和(自身を含む): 39456000

約数和(自身を除く): 20663030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5479, 10958, 27395, 38353, 54790, 76706, 191765, 268471, 383530, 536942, 1342355, 1879297, 2684710, 3758594, 9396485, 18792970]

約数ペア:

[(1, 18792970), (2, 9396485), (5, 3758594), (7, 2684710), (10, 1879297), (14, 1342355), (35, 536942), (49, 383530), (70, 268471), (98, 191765), (245, 76706), (343, 54790), (490, 38353), (686, 27395), (1715, 10958), (3430, 5479)]