18497367

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6247}}^1$

素因数の和:6307

約数の個数: 24

約数和(自身を含む): 31190016

約数和(自身を除く): 12692649

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6247, 18741, 43729, 56223, 131187, 293609, 393561, 880827, 2055263, 2642481, 6165789, 18497367]

約数ペア:

[(1, 18497367), (3, 6165789), (7, 2642481), (9, 2055263), (21, 880827), (47, 393561), (63, 293609), (141, 131187), (329, 56223), (423, 43729), (987, 18741), (2961, 6247)]