19131329

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 22945920

約数和(自身を除く): 3814591

約数列:

[1, 7, 29, 73, 203, 511, 1291, 2117, 9037, 14819, 37439, 94243, 262073, 659701, 2733047, 19131329]

約数ペア:

[(1, 19131329), (7, 2733047), (29, 659701), (73, 262073), (203, 94243), (511, 37439), (1291, 14819), (2117, 9037)]