18488907

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 27593280

約数和(自身を除く): 9104373

約数列:

[1, 3, 9, 47, 109, 141, 327, 401, 423, 981, 1203, 3609, 5123, 15369, 18847, 43709, 46107, 56541, 131127, 169623, 393381, 2054323, 6162969, 18488907]

約数ペア:

[(1, 18488907), (3, 6162969), (9, 2054323), (47, 393381), (109, 169623), (141, 131127), (327, 56541), (401, 46107), (423, 43709), (981, 18847), (1203, 15369), (3609, 5123)]