18949971

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2186

約数の個数: 16

約数和(自身を含む): 26231040

約数和(自身を除く): 7281069

約数列:

[1, 3, 43, 71, 129, 213, 2069, 3053, 6207, 9159, 88967, 146899, 266901, 440697, 6316657, 18949971]

約数ペア:

[(1, 18949971), (3, 6316657), (43, 440697), (71, 266901), (129, 146899), (213, 88967), (2069, 9159), (3053, 6207)]