18252871

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2539}}^1$

素因数の和:2638

約数の個数: 16

約数和(自身を含む): 22758400

約数和(自身を除く): 4505529

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2539, 7189, 17773, 33007, 200581, 231049, 1404067, 2607553, 18252871]

約数ペア:

[(1, 18252871), (7, 2607553), (13, 1404067), (79, 231049), (91, 200581), (553, 33007), (1027, 17773), (2539, 7189)]