19947763

素因数分解:

${\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 22302720

約数和(自身を除く): 2354957

約数列:

[1, 11, 109, 127, 131, 1199, 1397, 1441, 13843, 14279, 16637, 152273, 157069, 183007, 1813433, 19947763]

約数ペア:

[(1, 19947763), (11, 1813433), (109, 183007), (127, 157069), (131, 152273), (1199, 16637), (1397, 14279), (1441, 13843)]