18289773

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{39847}}^1$

素因数の和:39873

約数の個数: 16

約数和(自身を含む): 28690560

約数和(自身を除く): 10400787

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 39847, 119541, 358623, 677399, 1075869, 2032197, 6096591, 18289773]

約数ペア:

[(1, 18289773), (3, 6096591), (9, 2032197), (17, 1075869), (27, 677399), (51, 358623), (153, 119541), (459, 39847)]