19959627

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3761}}^1$

素因数の和:3854

約数の個数: 16

約数和(自身を含む): 27989280

約数和(自身を除く): 8029653

約数列:

[1, 3, 29, 61, 87, 183, 1769, 3761, 5307, 11283, 109069, 229421, 327207, 688263, 6653209, 19959627]

約数ペア:

[(1, 19959627), (3, 6653209), (29, 688263), (61, 327207), (87, 229421), (183, 109069), (1769, 11283), (3761, 5307)]