19744533

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{5261}}^1$

素因数の和:5409

約数の個数: 16

約数和(自身を含む): 29467200

約数和(自身を除く): 9722667

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 5261, 15783, 47349, 142047, 731279, 2193837, 6581511, 19744533]

約数ペア:

[(1, 19744533), (3, 6581511), (9, 2193837), (27, 731279), (139, 142047), (417, 47349), (1251, 15783), (3753, 5261)]