1916967519

素因数分解:

$3^3\times {\mathrm{4021}}^1\times {\mathrm{17657}}^1$

素因数の和:21687

約数の個数: 16

約数和(自身を含む): 2840819040

約数和(自身を除く): 923851521

約数列:

[1, 3, 9, 27, 4021, 12063, 17657, 36189, 52971, 108567, 158913, 476739, 70998797, 212996391, 638989173, 1916967519]

約数ペア:

[(1, 1916967519), (3, 638989173), (9, 212996391), (27, 70998797), (4021, 476739), (12063, 158913), (17657, 108567), (36189, 52971)]