18705896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6857}}^1$

素因数の和:6905

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 20796184

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 6857, 13714, 27428, 54856, 75427, 150854, 212567, 301708, 425134, 603416, 850268, 1700536, 2338237, 4676474, 9352948, 18705896]

約数ペア:

[(1, 18705896), (2, 9352948), (4, 4676474), (8, 2338237), (11, 1700536), (22, 850268), (31, 603416), (44, 425134), (62, 301708), (88, 212567), (124, 150854), (248, 75427), (341, 54856), (682, 27428), (1364, 13714), (2728, 6857)]