18486538

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21647}}^1$

素因数の和:21717

約数の個数: 16

約数和(自身を含む): 32212224

約数和(自身を除く): 13725686

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 21647, 43294, 151529, 303058, 1320467, 2640934, 9243269, 18486538]

約数ペア:

[(1, 18486538), (2, 9243269), (7, 2640934), (14, 1320467), (61, 303058), (122, 151529), (427, 43294), (854, 21647)]