19965442

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4969}}^1$

素因数の和:5026

約数の個数: 24

約数和(自身を含む): 35694540

約数和(自身を除く): 15729098

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 4969, 9938, 34783, 69566, 203729, 243481, 407458, 486962, 1426103, 2852206, 9982721, 19965442]

約数ペア:

[(1, 19965442), (2, 9982721), (7, 2852206), (14, 1426103), (41, 486962), (49, 407458), (82, 243481), (98, 203729), (287, 69566), (574, 34783), (2009, 9938), (4018, 4969)]