19578086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{2521}}^1$

素因数の和:2887

約数の個数: 16

約数和(自身を含む): 32140368

約数和(自身を除く): 12562282

約数列:

[1, 2, 11, 22, 353, 706, 2521, 3883, 5042, 7766, 27731, 55462, 889913, 1779826, 9789043, 19578086]

約数ペア:

[(1, 19578086), (2, 9789043), (11, 1779826), (22, 889913), (353, 55462), (706, 27731), (2521, 7766), (3883, 5042)]