19202139

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2657}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 30683952

約数和(自身を除く): 11481813

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2657, 7227, 7971, 23913, 29227, 87681, 193961, 263043, 581883, 1745649, 2133571, 6400713, 19202139]

約数ペア:

[(1, 19202139), (3, 6400713), (9, 2133571), (11, 1745649), (33, 581883), (73, 263043), (99, 193961), (219, 87681), (657, 29227), (803, 23913), (2409, 7971), (2657, 7227)]