18853209

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{11447}}^1$

素因数の和:11517

約数の個数: 16

約数和(自身を含む): 28391040

約数和(自身を除く): 9537831

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 11447, 34341, 103023, 309069, 698267, 2094801, 6284403, 18853209]

約数ペア:

[(1, 18853209), (3, 6284403), (9, 2094801), (27, 698267), (61, 309069), (183, 103023), (549, 34341), (1647, 11447)]