18697854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{445187}}^1$

素因数の和:445199

約数の個数: 16

約数和(自身を含む): 42738048

約数和(自身を除く): 24040194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 445187, 890374, 1335561, 2671122, 3116309, 6232618, 9348927, 18697854]

約数ペア:

[(1, 18697854), (2, 9348927), (3, 6232618), (6, 3116309), (7, 2671122), (14, 1335561), (21, 890374), (42, 445187)]