19278065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 24467520

約数和(自身を除く): 5189455

約数列:

[1, 5, 19, 95, 307, 661, 1535, 3305, 5833, 12559, 29165, 62795, 202927, 1014635, 3855613, 19278065]

約数ペア:

[(1, 19278065), (5, 3855613), (19, 1014635), (95, 202927), (307, 62795), (661, 29165), (1535, 12559), (3305, 5833)]