19923711

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1621}}^1$

素因数の和:1882

約数の個数: 16

約数和(自身を含む): 28261728

約数和(自身を除く): 8338017

約数列:

[1, 3, 17, 51, 241, 723, 1621, 4097, 4863, 12291, 27557, 82671, 390661, 1171983, 6641237, 19923711]

約数ペア:

[(1, 19923711), (3, 6641237), (17, 1171983), (51, 390661), (241, 82671), (723, 27557), (1621, 12291), (4097, 4863)]