18979761

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6709}}^1$

素因数の和:6776

約数の個数: 16

約数和(自身を含む): 27054720

約数和(自身を除く): 8074959

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 6709, 20127, 154307, 275069, 462921, 825207, 6326587, 18979761]

約数ペア:

[(1, 18979761), (3, 6326587), (23, 825207), (41, 462921), (69, 275069), (123, 154307), (943, 20127), (2829, 6709)]