18266211

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 28102464

約数和(自身を除く): 9836253

約数列:

[1, 3, 9, 17, 51, 153, 277, 431, 831, 1293, 2493, 3879, 4709, 7327, 14127, 21981, 42381, 65943, 119387, 358161, 1074483, 2029579, 6088737, 18266211]

約数ペア:

[(1, 18266211), (3, 6088737), (9, 2029579), (17, 1074483), (51, 358161), (153, 119387), (277, 65943), (431, 42381), (831, 21981), (1293, 14127), (2493, 7327), (3879, 4709)]