18702657

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10039}}^1$

素因数の和:10074

約数の個数: 20

約数和(自身を含む): 29156160

約数和(自身を除く): 10453503

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10039, 30117, 90351, 230897, 271053, 692691, 813159, 2078073, 6234219, 18702657]

約数ペア:

[(1, 18702657), (3, 6234219), (9, 2078073), (23, 813159), (27, 692691), (69, 271053), (81, 230897), (207, 90351), (621, 30117), (1863, 10039)]