19668889

素因数分解:

${\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 21047040

約数和(自身を除く): 1378151

約数列:

[1, 41, 47, 59, 173, 1927, 2419, 2773, 7093, 8131, 10207, 113693, 333371, 418487, 479729, 19668889]

約数ペア:

[(1, 19668889), (41, 479729), (47, 418487), (59, 333371), (173, 113693), (1927, 10207), (2419, 8131), (2773, 7093)]