18680193

素因数分解:

$3^3\times 7^1\times {\mathrm{98837}}^1$

素因数の和:98853

約数の個数: 16

約数和(自身を含む): 31628160

約数和(自身を除く): 12947967

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 98837, 296511, 691859, 889533, 2075577, 2668599, 6226731, 18680193]

約数ペア:

[(1, 18680193), (3, 6226731), (7, 2668599), (9, 2075577), (21, 889533), (27, 691859), (63, 296511), (189, 98837)]