18979968009

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1215029}}^1$

素因数の和:1215200

約数の個数: 16

約数和(自身を含む): 26128005120

約数和(自身を除く): 7148037111

約数列:

[1, 3, 41, 123, 127, 381, 5207, 15621, 1215029, 3645087, 49816189, 149448567, 154308683, 462926049, 6326656003, 18979968009]

約数ペア:

[(1, 18979968009), (3, 6326656003), (41, 462926049), (123, 154308683), (127, 149448567), (381, 49816189), (5207, 3645087), (15621, 1215029)]