18929118

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242681}}^1$

素因数の和:242699

約数の個数: 16

約数和(自身を含む): 40770576

約数和(自身を除く): 21841458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242681, 485362, 728043, 1456086, 3154853, 6309706, 9464559, 18929118]

約数ペア:

[(1, 18929118), (2, 9464559), (3, 6309706), (6, 3154853), (13, 1456086), (26, 728043), (39, 485362), (78, 242681)]