19521020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42437}}^1$

素因数の和:42469

約数の個数: 24

約数和(自身を含む): 42777504

約数和(自身を除く): 23256484

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42437, 84874, 169748, 212185, 424370, 848740, 976051, 1952102, 3904204, 4880255, 9760510, 19521020]

約数ペア:

[(1, 19521020), (2, 9760510), (4, 4880255), (5, 3904204), (10, 1952102), (20, 976051), (23, 848740), (46, 424370), (92, 212185), (115, 169748), (230, 84874), (460, 42437)]