19989673

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 2589527

約数列:

[1, 11, 41, 127, 349, 451, 1397, 3839, 5207, 14309, 44323, 57277, 157399, 487553, 1817243, 19989673]

約数ペア:

[(1, 19989673), (11, 1817243), (41, 487553), (127, 157399), (349, 57277), (451, 44323), (1397, 14309), (3839, 5207)]