19214855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8521}}^1$

素因数の和:8578

約数の個数: 16

約数和(自身を含む): 25770528

約数和(自身を除く): 6555673

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 8521, 42605, 93731, 349361, 468655, 1746805, 3842971, 19214855]

約数ペア:

[(1, 19214855), (5, 3842971), (11, 1746805), (41, 468655), (55, 349361), (205, 93731), (451, 42605), (2255, 8521)]