219872009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1\times {\mathrm{1999}}^1$

素因数の和:2852

約数の個数: 16

約数和(自身を含む): 264960000

約数和(自身を除く): 45087991

約数列:

[1, 7, 19, 133, 827, 1999, 5789, 13993, 15713, 37981, 109991, 265867, 1653173, 11572211, 31410287, 219872009]

約数ペア:

[(1, 219872009), (7, 31410287), (19, 11572211), (133, 1653173), (827, 265867), (1999, 109991), (5789, 37981), (13993, 15713)]