2019489423

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{71287}}^1$

素因数の和:71387

約数の個数: 32

約数和(自身を含む): 3284951040

約数和(自身を除く): 1265461617

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 9443, 28329, 71287, 213861, 499009, 1354453, 1497027, 4063359, 5061377, 9481171, 15184131, 28443513, 35429639, 96166163, 106288917, 288498489, 673163141, 2019489423]

約数ペア:

[(1, 2019489423), (3, 673163141), (7, 288498489), (19, 106288917), (21, 96166163), (57, 35429639), (71, 28443513), (133, 15184131), (213, 9481171), (399, 5061377), (497, 4063359), (1349, 1497027), (1491, 1354453), (4047, 499009), (9443, 213861), (28329, 71287)]