19911672459

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16634647}}^1$

素因数の和:16634679

約数の個数: 24

約数和(自身を含む): 34600067840

約数和(自身を除く): 14688395381

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16634647, 49903941, 116442529, 149711823, 316058293, 349327587, 948174879, 1047982761, 2212408051, 2844524637, 6637224153, 19911672459]

約数ペア:

[(1, 19911672459), (3, 6637224153), (7, 2844524637), (9, 2212408051), (19, 1047982761), (21, 948174879), (57, 349327587), (63, 316058293), (133, 149711823), (171, 116442529), (399, 49903941), (1197, 16634647)]