18639133

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 20442240

約数和(自身を除く): 1803107

約数列:

[1, 19, 41, 71, 337, 779, 1349, 2911, 6403, 13817, 23927, 55309, 262523, 454613, 981007, 18639133]

約数ペア:

[(1, 18639133), (19, 981007), (41, 454613), (71, 262523), (337, 55309), (779, 23927), (1349, 13817), (2911, 6403)]