18995207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5737}}^1$

素因数の和:5798

約数の個数: 16

約数和(自身を含む): 24237312

約数和(自身を除く): 5242105

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 5737, 40159, 63107, 246691, 441749, 1726837, 2713601, 18995207]

約数ペア:

[(1, 18995207), (7, 2713601), (11, 1726837), (43, 441749), (77, 246691), (301, 63107), (473, 40159), (3311, 5737)]