18738159

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1627}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 27350400

約数和(自身を除く): 8612241

約数列:

[1, 3, 11, 33, 349, 1047, 1627, 3839, 4881, 11517, 17897, 53691, 567823, 1703469, 6246053, 18738159]

約数ペア:

[(1, 18738159), (3, 6246053), (11, 1703469), (33, 567823), (349, 53691), (1047, 17897), (1627, 11517), (3839, 4881)]