19940884

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 35555688

約数和(自身を除く): 15614804

約数列:

[1, 2, 4, 113, 157, 226, 281, 314, 452, 562, 628, 1124, 17741, 31753, 35482, 44117, 63506, 70964, 88234, 127012, 176468, 4985221, 9970442, 19940884]

約数ペア:

[(1, 19940884), (2, 9970442), (4, 4985221), (113, 176468), (157, 127012), (226, 88234), (281, 70964), (314, 63506), (452, 44117), (562, 35482), (628, 31753), (1124, 17741)]