19493260

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9109}}^1$

素因数の和:9225

約数の個数: 24

約数和(自身を含む): 41322960

約数和(自身を除く): 21829700

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9109, 18218, 36436, 45545, 91090, 182180, 974663, 1949326, 3898652, 4873315, 9746630, 19493260]

約数ペア:

[(1, 19493260), (2, 9746630), (4, 4873315), (5, 3898652), (10, 1949326), (20, 974663), (107, 182180), (214, 91090), (428, 45545), (535, 36436), (1070, 18218), (2140, 9109)]