18788247

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40933}}^1$

素因数の和:40959

約数の個数: 16

約数和(自身を含む): 29472480

約数和(自身を除く): 10684233

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40933, 122799, 368397, 695861, 1105191, 2087583, 6262749, 18788247]

約数ペア:

[(1, 18788247), (3, 6262749), (9, 2087583), (17, 1105191), (27, 695861), (51, 368397), (153, 122799), (459, 40933)]