19398873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3797}}^1$

素因数の和:3944

約数の個数: 16

約数和(自身を含む): 28074816

約数和(自身を除く): 8675943

約数列:

[1, 3, 13, 39, 131, 393, 1703, 3797, 5109, 11391, 49361, 148083, 497407, 1492221, 6466291, 19398873]

約数ペア:

[(1, 19398873), (3, 6466291), (13, 1492221), (39, 497407), (131, 148083), (393, 49361), (1703, 11391), (3797, 5109)]