18735834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240203}}^1$

素因数の和:240221

約数の個数: 16

約数和(自身を含む): 40354272

約数和(自身を除く): 21618438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240203, 480406, 720609, 1441218, 3122639, 6245278, 9367917, 18735834]

約数ペア:

[(1, 18735834), (2, 9367917), (3, 6245278), (6, 3122639), (13, 1441218), (26, 720609), (39, 480406), (78, 240203)]