18116109

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 29527680

約数和(自身を除く): 11411571

約数列:

[1, 3, 9, 11, 27, 33, 99, 181, 297, 337, 543, 1011, 1629, 1991, 3033, 3707, 4887, 5973, 9099, 11121, 17919, 33363, 53757, 60997, 100089, 182991, 548973, 670967, 1646919, 2012901, 6038703, 18116109]

約数ペア:

[(1, 18116109), (3, 6038703), (9, 2012901), (11, 1646919), (27, 670967), (33, 548973), (99, 182991), (181, 100089), (297, 60997), (337, 53757), (543, 33363), (1011, 17919), (1629, 11121), (1991, 9099), (3033, 5973), (3707, 4887)]