18767541

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28307}}^1$

素因数の和:28340

約数の個数: 16

約数和(自身を含む): 28534464

約数和(自身を除く): 9766923

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28307, 84921, 367991, 481219, 1103973, 1443657, 6255847, 18767541]

約数ペア:

[(1, 18767541), (3, 6255847), (13, 1443657), (17, 1103973), (39, 481219), (51, 367991), (221, 84921), (663, 28307)]