18931913

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18913}}^1$

素因数の和:18944

約数の個数: 16

約数和(自身を含む): 25420416

約数和(自身を除く): 6488503

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 18913, 132391, 208043, 245869, 1456301, 1721083, 2704559, 18931913]

約数ペア:

[(1, 18931913), (7, 2704559), (11, 1721083), (13, 1456301), (77, 245869), (91, 208043), (143, 132391), (1001, 18913)]