19415295

素因数分解:

$3^4\times 5^1\times {\mathrm{47939}}^1$

素因数の和:47956

約数の個数: 20

約数和(自身を含む): 34804440

約数和(自身を除く): 15389145

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47939, 143817, 239695, 431451, 719085, 1294353, 2157255, 3883059, 6471765, 19415295]

約数ペア:

[(1, 19415295), (3, 6471765), (5, 3883059), (9, 2157255), (15, 1294353), (27, 719085), (45, 431451), (81, 239695), (135, 143817), (405, 47939)]