19999694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69929}}^1$

素因数の和:69955

約数の個数: 16

約数和(自身を含む): 35244720

約数和(自身を除く): 15245026

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 69929, 139858, 769219, 909077, 1538438, 1818154, 9999847, 19999694]

約数ペア:

[(1, 19999694), (2, 9999847), (11, 1818154), (13, 1538438), (22, 909077), (26, 769219), (143, 139858), (286, 69929)]