18564417

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{18583}}^1$

素因数の和:18629

約数の個数: 16

約数和(自身を含む): 28247680

約数和(自身を除く): 9683263

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 18583, 55749, 167247, 501741, 687571, 2062713, 6188139, 18564417]

約数ペア:

[(1, 18564417), (3, 6188139), (9, 2062713), (27, 687571), (37, 501741), (111, 167247), (333, 55749), (999, 18583)]