18311427

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9829}}^1$

素因数の和:9864

約数の個数: 20

約数和(自身を含む): 28546320

約数和(自身を除く): 10234893

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9829, 29487, 88461, 226067, 265383, 678201, 796149, 2034603, 6103809, 18311427]

約数ペア:

[(1, 18311427), (3, 6103809), (9, 2034603), (23, 796149), (27, 678201), (69, 265383), (81, 226067), (207, 88461), (621, 29487), (1863, 9829)]