18913174

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9719}}^1$

素因数の和:9867

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 13746026

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9719, 19438, 68033, 136066, 1350941, 2701882, 9456587, 18913174]

約数ペア:

[(1, 18913174), (2, 9456587), (7, 2701882), (14, 1350941), (139, 136066), (278, 68033), (973, 19438), (1946, 9719)]