19841972

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 35374080

約数和(自身を除く): 15532108

約数列:

[1, 2, 4, 127, 139, 254, 278, 281, 508, 556, 562, 1124, 17653, 35306, 35687, 39059, 70612, 71374, 78118, 142748, 156236, 4960493, 9920986, 19841972]

約数ペア:

[(1, 19841972), (2, 9920986), (4, 4960493), (127, 156236), (139, 142748), (254, 78118), (278, 71374), (281, 70612), (508, 39059), (556, 35687), (562, 35306), (1124, 17653)]