19617639

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 26930400

約数和(自身を除く): 7312761

約数列:

[1, 3, 41, 123, 349, 457, 1047, 1371, 14309, 18737, 42927, 56211, 159493, 478479, 6539213, 19617639]

約数ペア:

[(1, 19617639), (3, 6539213), (41, 478479), (123, 159493), (349, 56211), (457, 42927), (1047, 18737), (1371, 14309)]