19541804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 36145200

約数和(自身を除く): 16603396

約数列:

[1, 2, 4, 19, 38, 76, 389, 661, 778, 1322, 1556, 2644, 7391, 12559, 14782, 25118, 29564, 50236, 257129, 514258, 1028516, 4885451, 9770902, 19541804]

約数ペア:

[(1, 19541804), (2, 9770902), (4, 4885451), (19, 1028516), (38, 514258), (76, 257129), (389, 50236), (661, 29564), (778, 25118), (1322, 14782), (1556, 12559), (2644, 7391)]