18796203

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2923

約数の個数: 24

約数和(自身を含む): 29425968

約数和(自身を除く): 10629765

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 2857, 6579, 8571, 25713, 48569, 122851, 145707, 368553, 437121, 1105659, 2088467, 6265401, 18796203]

約数ペア:

[(1, 18796203), (3, 6265401), (9, 2088467), (17, 1105659), (43, 437121), (51, 368553), (129, 145707), (153, 122851), (387, 48569), (731, 25713), (2193, 8571), (2857, 6579)]