18307639

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 21749760

約数和(自身を除く): 3442121

約数列:

[1, 7, 31, 217, 239, 353, 1673, 2471, 7409, 10943, 51863, 76601, 84367, 590569, 2615377, 18307639]

約数ペア:

[(1, 18307639), (7, 2615377), (31, 590569), (217, 84367), (239, 76601), (353, 51863), (1673, 10943), (2471, 7409)]