18722264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6863}}^1$

素因数の和:6911

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 20814376

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 6863, 13726, 27452, 54904, 75493, 150986, 212753, 301972, 425506, 603944, 851012, 1702024, 2340283, 4680566, 9361132, 18722264]

約数ペア:

[(1, 18722264), (2, 9361132), (4, 4680566), (8, 2340283), (11, 1702024), (22, 851012), (31, 603944), (44, 425506), (62, 301972), (88, 212753), (124, 150986), (248, 75493), (341, 54904), (682, 27452), (1364, 13726), (2728, 6863)]