18964420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41227}}^1$

素因数の和:41259

約数の個数: 24

約数和(自身を含む): 41557824

約数和(自身を除く): 22593404

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 41227, 82454, 164908, 206135, 412270, 824540, 948221, 1896442, 3792884, 4741105, 9482210, 18964420]

約数ペア:

[(1, 18964420), (2, 9482210), (4, 4741105), (5, 3792884), (10, 1896442), (20, 948221), (23, 824540), (46, 412270), (92, 206135), (115, 164908), (230, 82454), (460, 41227)]