19995613

素因数分解:

${\mathrm{11}}^3\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 16

約数和(自身を含む): 22381632

約数和(自身を除く): 2386019

約数列:

[1, 11, 83, 121, 181, 913, 1331, 1991, 10043, 15023, 21901, 110473, 165253, 240911, 1817783, 19995613]

約数ペア:

[(1, 19995613), (11, 1817783), (83, 240911), (121, 165253), (181, 110473), (913, 21901), (1331, 15023), (1991, 10043)]