19942036

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 35672000

約数和(自身を除く): 15729964

約数列:

[1, 2, 4, 97, 103, 194, 206, 388, 412, 499, 998, 1996, 9991, 19982, 39964, 48403, 51397, 96806, 102794, 193612, 205588, 4985509, 9971018, 19942036]

約数ペア:

[(1, 19942036), (2, 9971018), (4, 4985509), (97, 205588), (103, 193612), (194, 102794), (206, 96806), (388, 51397), (412, 48403), (499, 39964), (998, 19982), (1996, 9991)]