17709978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20641}}^1$

素因数の和:20670

約数の個数: 32

約数和(自身を含む): 41614272

約数和(自身を除く): 23904294

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 20641, 41282, 61923, 123846, 227051, 268333, 454102, 536666, 681153, 804999, 1362306, 1609998, 2951663, 5903326, 8854989, 17709978]

約数ペア:

[(1, 17709978), (2, 8854989), (3, 5903326), (6, 2951663), (11, 1609998), (13, 1362306), (22, 804999), (26, 681153), (33, 536666), (39, 454102), (66, 268333), (78, 227051), (143, 123846), (286, 61923), (429, 41282), (858, 20641)]