18086866

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21179}}^1$

素因数の和:21249

約数の個数: 16

約数和(自身を含む): 31515840

約数和(自身を除く): 13428974

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 21179, 42358, 148253, 296506, 1291919, 2583838, 9043433, 18086866]

約数ペア:

[(1, 18086866), (2, 9043433), (7, 2583838), (14, 1291919), (61, 296506), (122, 148253), (427, 42358), (854, 21179)]