19084815

素因数分解:

$3^4\times 5^1\times {\mathrm{47123}}^1$

素因数の和:47140

約数の個数: 20

約数和(自身を含む): 34212024

約数和(自身を除く): 15127209

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47123, 141369, 235615, 424107, 706845, 1272321, 2120535, 3816963, 6361605, 19084815]

約数ペア:

[(1, 19084815), (3, 6361605), (5, 3816963), (9, 2120535), (15, 1272321), (27, 706845), (45, 424107), (81, 235615), (135, 141369), (405, 47123)]