19647359

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 21954240

約数和(自身を除く): 2306881

約数列:

[1, 17, 23, 109, 391, 461, 1853, 2507, 7837, 10603, 42619, 50249, 180251, 854233, 1155727, 19647359]

約数ペア:

[(1, 19647359), (17, 1155727), (23, 854233), (109, 180251), (391, 50249), (461, 42619), (1853, 10603), (2507, 7837)]