18870566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{65981}}^1$

素因数の和:66007

約数の個数: 16

約数和(自身を含む): 33254928

約数和(自身を除く): 14384362

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 65981, 131962, 725791, 857753, 1451582, 1715506, 9435283, 18870566]

約数ペア:

[(1, 18870566), (2, 9435283), (11, 1715506), (13, 1451582), (22, 857753), (26, 725791), (143, 131962), (286, 65981)]