8538220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22469}}^1$

素因数の和:22497

約数の個数: 24

約数和(自身を含む): 18874800

約数和(自身を除く): 10336580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 22469, 44938, 89876, 112345, 224690, 426911, 449380, 853822, 1707644, 2134555, 4269110, 8538220]

約数ペア:

[(1, 8538220), (2, 4269110), (4, 2134555), (5, 1707644), (10, 853822), (19, 449380), (20, 426911), (38, 224690), (76, 112345), (95, 89876), (190, 44938), (380, 22469)]