19605831

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3253}}^1$

素因数の和:3311

約数の個数: 24

約数和(自身を含む): 31160304

約数和(自身を除く): 11554473

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3253, 6027, 9759, 22771, 68313, 133373, 159397, 400119, 478191, 933611, 2800833, 6535277, 19605831]

約数ペア:

[(1, 19605831), (3, 6535277), (7, 2800833), (21, 933611), (41, 478191), (49, 400119), (123, 159397), (147, 133373), (287, 68313), (861, 22771), (2009, 9759), (3253, 6027)]