19507220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42407}}^1$

素因数の和:42439

約数の個数: 24

約数和(自身を含む): 42747264

約数和(自身を除く): 23240044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42407, 84814, 169628, 212035, 424070, 848140, 975361, 1950722, 3901444, 4876805, 9753610, 19507220]

約数ペア:

[(1, 19507220), (2, 9753610), (4, 4876805), (5, 3901444), (10, 1950722), (20, 975361), (23, 848140), (46, 424070), (92, 212035), (115, 169628), (230, 84814), (460, 42407)]