18572409

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6197}}^1$

素因数の和:6246

約数の個数: 20

約数和(自身を含む): 28498404

約数和(自身を除く): 9925995

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6197, 18591, 55773, 167319, 229289, 501957, 687867, 2063601, 6190803, 18572409]

約数ペア:

[(1, 18572409), (3, 6190803), (9, 2063601), (27, 687867), (37, 501957), (81, 229289), (111, 167319), (333, 55773), (999, 18591), (2997, 6197)]