18778821

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{3079}}^1$

素因数の和:3208

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 7832379

約数列:

[1, 3, 19, 57, 107, 321, 2033, 3079, 6099, 9237, 58501, 175503, 329453, 988359, 6259607, 18778821]

約数ペア:

[(1, 18778821), (3, 6259607), (19, 988359), (57, 329453), (107, 175503), (321, 58501), (2033, 9237), (3079, 6099)]