19882486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44983}}^1$

素因数の和:45015

約数の個数: 16

約数和(自身を含む): 34007904

約数和(自身を除く): 14125418

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 44983, 89966, 584779, 764711, 1169558, 1529422, 9941243, 19882486]

約数ペア:

[(1, 19882486), (2, 9941243), (13, 1529422), (17, 1169558), (26, 764711), (34, 584779), (221, 89966), (442, 44983)]