209127908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{250153}}^1$

素因数の和:250187

約数の個数: 24

約数和(自身を含む): 420258720

約数和(自身を除く): 211130812

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 250153, 500306, 1000612, 2751683, 4752907, 5503366, 9505814, 11006732, 19011628, 52281977, 104563954, 209127908]

約数ペア:

[(1, 209127908), (2, 104563954), (4, 52281977), (11, 19011628), (19, 11006732), (22, 9505814), (38, 5503366), (44, 4752907), (76, 2751683), (209, 1000612), (418, 500306), (836, 250153)]