19666179

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1368

約数の個数: 32

約数和(自身を含む): 32130560

約数和(自身を除く): 12464381

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1303, 1677, 3909, 5031, 11727, 15093, 16939, 35181, 50817, 56029, 152451, 168087, 457353, 504261, 728377, 1512783, 2185131, 6555393, 19666179]

約数ペア:

[(1, 19666179), (3, 6555393), (9, 2185131), (13, 1512783), (27, 728377), (39, 504261), (43, 457353), (117, 168087), (129, 152451), (351, 56029), (387, 50817), (559, 35181), (1161, 16939), (1303, 15093), (1677, 11727), (3909, 5031)]