18379569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3121}}^1$

素因数の和:3288

約数の個数: 16

約数和(自身を含む): 26574464

約数和(自身を除く): 8194895

約数列:

[1, 3, 13, 39, 151, 453, 1963, 3121, 5889, 9363, 40573, 121719, 471271, 1413813, 6126523, 18379569]

約数ペア:

[(1, 18379569), (3, 6126523), (13, 1413813), (39, 471271), (151, 121719), (453, 40573), (1963, 9363), (3121, 5889)]