19629189

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 30831360

約数和(自身を除く): 11202171

約数列:

[1, 3, 9, 23, 27, 69, 73, 207, 219, 433, 621, 657, 1299, 1679, 1971, 3897, 5037, 9959, 11691, 15111, 29877, 31609, 45333, 89631, 94827, 268893, 284481, 727007, 853443, 2181021, 6543063, 19629189]

約数ペア:

[(1, 19629189), (3, 6543063), (9, 2181021), (23, 853443), (27, 727007), (69, 284481), (73, 268893), (207, 94827), (219, 89631), (433, 45333), (621, 31609), (657, 29877), (1299, 15111), (1679, 11691), (1971, 9959), (3897, 5037)]