19109918

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8839}}^1$

素因数の和:8911

約数の個数: 16

約数和(自身を含む): 30551040

約数和(自身を除く): 11441122

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 8839, 17678, 203297, 406594, 415433, 830866, 9554959, 19109918]

約数ペア:

[(1, 19109918), (2, 9554959), (23, 830866), (46, 415433), (47, 406594), (94, 203297), (1081, 17678), (2162, 8839)]