18131320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23857}}^1$

素因数の和:23887

約数の個数: 32

約数和(自身を含む): 42944400

約数和(自身を除く): 24813080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23857, 47714, 95428, 119285, 190856, 238570, 453283, 477140, 906566, 954280, 1813132, 2266415, 3626264, 4532830, 9065660, 18131320]

約数ペア:

[(1, 18131320), (2, 9065660), (4, 4532830), (5, 3626264), (8, 2266415), (10, 1813132), (19, 954280), (20, 906566), (38, 477140), (40, 453283), (76, 238570), (95, 190856), (152, 119285), (190, 95428), (380, 47714), (760, 23857)]