19655109

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{5557}}^1$

素因数の和:5697

約数の個数: 16

約数和(自身を含む): 29346240

約数和(自身を除く): 9691131

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 5557, 16671, 50013, 150039, 727967, 2183901, 6551703, 19655109]

約数ペア:

[(1, 19655109), (3, 6551703), (9, 2183901), (27, 727967), (131, 150039), (393, 50013), (1179, 16671), (3537, 5557)]