18821396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4153}}^1$

素因数の和:4271

約数の個数: 24

約数和(自身を含む): 36289344

約数和(自身を除く): 17467948

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4153, 4532, 8306, 16612, 45683, 91366, 182732, 427759, 855518, 1711036, 4705349, 9410698, 18821396]

約数ペア:

[(1, 18821396), (2, 9410698), (4, 4705349), (11, 1711036), (22, 855518), (44, 427759), (103, 182732), (206, 91366), (412, 45683), (1133, 16612), (2266, 8306), (4153, 4532)]