18998876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1319}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 35962080

約数和(自身を除く): 16963204

約数列:

[1, 2, 4, 13, 26, 52, 277, 554, 1108, 1319, 2638, 3601, 5276, 7202, 14404, 17147, 34294, 68588, 365363, 730726, 1461452, 4749719, 9499438, 18998876]

約数ペア:

[(1, 18998876), (2, 9499438), (4, 4749719), (13, 1461452), (26, 730726), (52, 365363), (277, 68588), (554, 34294), (1108, 17147), (1319, 14404), (2638, 7202), (3601, 5276)]