19523780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42443}}^1$

素因数の和:42475

約数の個数: 24

約数和(自身を含む): 42783552

約数和(自身を除く): 23259772

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42443, 84886, 169772, 212215, 424430, 848860, 976189, 1952378, 3904756, 4880945, 9761890, 19523780]

約数ペア:

[(1, 19523780), (2, 9761890), (4, 4880945), (5, 3904756), (10, 1952378), (20, 976189), (23, 848860), (46, 424430), (92, 212215), (115, 169772), (230, 84886), (460, 42443)]