19934882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39397}}^1$

素因数の和:39433

約数の個数: 16

約数和(自身を含む): 34039872

約数和(自身を除く): 14104990

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39397, 78794, 433367, 866734, 906131, 1812262, 9967441, 19934882]

約数ペア:

[(1, 19934882), (2, 9967441), (11, 1812262), (22, 906131), (23, 866734), (46, 433367), (253, 78794), (506, 39397)]