18787874

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4079}}^1$

素因数の和:4142

約数の個数: 24

約数和(自身を含む): 33488640

約数和(自身を除く): 14700766

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 658, 2303, 4079, 4606, 8158, 28553, 57106, 191713, 199871, 383426, 399742, 1341991, 2683982, 9393937, 18787874]

約数ペア:

[(1, 18787874), (2, 9393937), (7, 2683982), (14, 1341991), (47, 399742), (49, 383426), (94, 199871), (98, 191713), (329, 57106), (658, 28553), (2303, 8158), (4079, 4606)]