18740157

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1009}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 25791360

約数和(自身を除く): 7051203

約数列:

[1, 3, 41, 123, 151, 453, 1009, 3027, 6191, 18573, 41369, 124107, 152359, 457077, 6246719, 18740157]

約数ペア:

[(1, 18740157), (3, 6246719), (41, 457077), (123, 152359), (151, 124107), (453, 41369), (1009, 18573), (3027, 6191)]