18240278

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{11953}}^1$

素因数の和:12071

約数の個数: 16

約数和(自身を含む): 31558560

約数和(自身を除く): 13318282

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 11953, 23906, 83671, 167342, 1302877, 2605754, 9120139, 18240278]

約数ペア:

[(1, 18240278), (2, 9120139), (7, 2605754), (14, 1302877), (109, 167342), (218, 83671), (763, 23906), (1526, 11953)]