18635868

素因数分解:

$2^2\times 3^2\times {\mathrm{617}}^1\times {\mathrm{839}}^1$

素因数の和:1466

約数の個数: 36

約数和(自身を含む): 47239920

約数和(自身を除く): 28604052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 617, 839, 1234, 1678, 1851, 2468, 2517, 3356, 3702, 5034, 5553, 7404, 7551, 10068, 11106, 15102, 22212, 30204, 517663, 1035326, 1552989, 2070652, 3105978, 4658967, 6211956, 9317934, 18635868]

約数ペア:

[(1, 18635868), (2, 9317934), (3, 6211956), (4, 4658967), (6, 3105978), (9, 2070652), (12, 1552989), (18, 1035326), (36, 517663), (617, 30204), (839, 22212), (1234, 15102), (1678, 11106), (1851, 10068), (2468, 7551), (2517, 7404), (3356, 5553), (3702, 5034)]