19959459

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4783}}^1$

素因数の和:4906

約数の個数: 16

約数和(自身を含む): 28933632

約数和(自身を除く): 8974173

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 4783, 14349, 62179, 186537, 511781, 1535343, 6653153, 19959459]

約数ペア:

[(1, 19959459), (3, 6653153), (13, 1535343), (39, 511781), (107, 186537), (321, 62179), (1391, 14349), (4173, 4783)]