19648551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3967}}^1$

素因数の和:4110

約数の個数: 16

約数和(自身を含む): 28442624

約数和(自身を除く): 8794073

約数列:

[1, 3, 13, 39, 127, 381, 1651, 3967, 4953, 11901, 51571, 154713, 503809, 1511427, 6549517, 19648551]

約数ペア:

[(1, 19648551), (3, 6549517), (13, 1511427), (39, 503809), (127, 154713), (381, 51571), (1651, 11901), (3967, 4953)]