19973163

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7489}}^1$

素因数の和:7626

約数の個数: 16

約数和(自身を含む): 30679040

約数和(自身を除く): 10705877

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7489, 22467, 52423, 157269, 951103, 2853309, 6657721, 19973163]

約数ペア:

[(1, 19973163), (3, 6657721), (7, 2853309), (21, 951103), (127, 157269), (381, 52423), (889, 22467), (2667, 7489)]