18989817

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{82207}}^1$

素因数の和:82228

約数の個数: 16

約数和(自身を含む): 31567872

約数和(自身を除く): 12578055

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 82207, 246621, 575449, 904277, 1726347, 2712831, 6329939, 18989817]

約数ペア:

[(1, 18989817), (3, 6329939), (7, 2712831), (11, 1726347), (21, 904277), (33, 575449), (77, 246621), (231, 82207)]