18628779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10163}}^1$

素因数の和:10226

約数の個数: 16

約数和(自身を含む): 27320832

約数和(自身を除く): 8692053

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10163, 30489, 132119, 396357, 477661, 1432983, 6209593, 18628779]

約数ペア:

[(1, 18628779), (3, 6209593), (13, 1432983), (39, 477661), (47, 396357), (141, 132119), (611, 30489), (1833, 10163)]