19666839

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 27095040

約数和(自身を除く): 7428201

約数列:

[1, 3, 41, 123, 127, 381, 1259, 3777, 5207, 15621, 51619, 154857, 159893, 479679, 6555613, 19666839]

約数ペア:

[(1, 19666839), (3, 6555613), (41, 479679), (123, 159893), (127, 154857), (381, 51619), (1259, 15621), (3777, 5207)]