19912203

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{5807}}^1$

素因数の和:5943

約数の個数: 16

約数和(自身を含む): 29736960

約数和(自身を除く): 9824757

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 5807, 17421, 52263, 156789, 737489, 2212467, 6637401, 19912203]

約数ペア:

[(1, 19912203), (3, 6637401), (9, 2212467), (27, 737489), (127, 156789), (381, 52263), (1143, 17421), (3429, 5807)]