18015681

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{631}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 24915968

約数和(自身を除く): 6900287

約数列:

[1, 3, 31, 93, 307, 631, 921, 1893, 9517, 19561, 28551, 58683, 193717, 581151, 6005227, 18015681]

約数ペア:

[(1, 18015681), (3, 6005227), (31, 581151), (93, 193717), (307, 58683), (631, 28551), (921, 19561), (1893, 9517)]