18866874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{241883}}^1$

素因数の和:241901

約数の個数: 16

約数和(自身を含む): 40636512

約数和(自身を除く): 21769638

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 241883, 483766, 725649, 1451298, 3144479, 6288958, 9433437, 18866874]

約数ペア:

[(1, 18866874), (2, 9433437), (3, 6288958), (6, 3144479), (13, 1451298), (26, 725649), (39, 483766), (78, 241883)]