18887319

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1783}}^1$

素因数の和:1907

約数の個数: 24

約数和(自身を含む): 30056832

約数和(自身を除く): 11169513

約数列:

[1, 3, 9, 11, 33, 99, 107, 321, 963, 1177, 1783, 3531, 5349, 10593, 16047, 19613, 58839, 176517, 190781, 572343, 1717029, 2098591, 6295773, 18887319]

約数ペア:

[(1, 18887319), (3, 6295773), (9, 2098591), (11, 1717029), (33, 572343), (99, 190781), (107, 176517), (321, 58839), (963, 19613), (1177, 16047), (1783, 10593), (3531, 5349)]