19350155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8581}}^1$

素因数の和:8638

約数の個数: 16

約数和(自身を含む): 25951968

約数和(自身を除く): 6601813

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 8581, 42905, 94391, 351821, 471955, 1759105, 3870031, 19350155]

約数ペア:

[(1, 19350155), (5, 3870031), (11, 1759105), (41, 471955), (55, 351821), (205, 94391), (451, 42905), (2255, 8581)]