19415726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38371}}^1$

素因数の和:38407

約数の個数: 16

約数和(自身を含む): 33153408

約数和(自身を除く): 13737682

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 38371, 76742, 422081, 844162, 882533, 1765066, 9707863, 19415726]

約数ペア:

[(1, 19415726), (2, 9707863), (11, 1765066), (22, 882533), (23, 844162), (46, 422081), (253, 76742), (506, 38371)]