18663854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3301}}^1$

素因数の和:3571

約数の個数: 16

約数和(自身を含む): 30668976

約数和(自身を除く): 12005122

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3301, 5654, 6602, 36311, 72622, 848357, 1696714, 9331927, 18663854]

約数ペア:

[(1, 18663854), (2, 9331927), (11, 1696714), (22, 848357), (257, 72622), (514, 36311), (2827, 6602), (3301, 5654)]