20186819710

素因数分解:

$2^1\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{1254619}}^1$

素因数の和:1256235

約数の個数: 16

約数和(自身を含む): 36358887600

約数和(自身を除く): 16172067890

約数列:

[1, 2, 5, 10, 1609, 3218, 8045, 16090, 1254619, 2509238, 6273095, 12546190, 2018681971, 4037363942, 10093409855, 20186819710]

約数ペア:

[(1, 20186819710), (2, 10093409855), (5, 4037363942), (10, 2018681971), (1609, 12546190), (3218, 6273095), (8045, 2509238), (16090, 1254619)]