18877317

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4943}}^1$

素因数の和:5032

約数の個数: 16

約数和(自身を含む): 26895360

約数和(自身を除く): 8018043

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 4943, 14829, 93917, 281751, 331181, 993543, 6292439, 18877317]

約数ペア:

[(1, 18877317), (3, 6292439), (19, 993543), (57, 331181), (67, 281751), (201, 93917), (1273, 14829), (3819, 4943)]