18857181

素因数分解:

$3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2027}}^1$

素因数の和:2480

約数の個数: 16

約数和(自身を含む): 28813824

約数和(自身を除く): 9956643

約数列:

[1, 3, 7, 21, 443, 1329, 2027, 3101, 6081, 9303, 14189, 42567, 897961, 2693883, 6285727, 18857181]

約数ペア:

[(1, 18857181), (3, 6285727), (7, 2693883), (21, 897961), (443, 42567), (1329, 14189), (2027, 9303), (3101, 6081)]