18947103

素因数分解:

$3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1321}}^1$

素因数の和:2014

約数の個数: 16

約数和(自身を含む): 28935936

約数和(自身を除く): 9988833

約数列:

[1, 3, 7, 21, 683, 1321, 2049, 3963, 4781, 9247, 14343, 27741, 902243, 2706729, 6315701, 18947103]

約数ペア:

[(1, 18947103), (3, 6315701), (7, 2706729), (21, 902243), (683, 27741), (1321, 14343), (2049, 9247), (3963, 4781)]