18723666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240047}}^1$

素因数の和:240065

約数の個数: 16

約数和(自身を含む): 40328064

約数和(自身を除く): 21604398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240047, 480094, 720141, 1440282, 3120611, 6241222, 9361833, 18723666]

約数ペア:

[(1, 18723666), (2, 9361833), (3, 6241222), (6, 3120611), (13, 1440282), (26, 720141), (39, 480094), (78, 240047)]