19189786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^2$

素因数の和:726

約数の個数: 24

約数和(自身を含む): 35989344

約数和(自身を除く): 16799558

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 353, 706, 2471, 3883, 4942, 7766, 27181, 54362, 124609, 249218, 872263, 1370699, 1744526, 2741398, 9594893, 19189786]

約数ペア:

[(1, 19189786), (2, 9594893), (7, 2741398), (11, 1744526), (14, 1370699), (22, 872263), (77, 249218), (154, 124609), (353, 54362), (706, 27181), (2471, 7766), (3883, 4942)]