18705246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{445363}}^1$

素因数の和:445375

約数の個数: 16

約数和(自身を含む): 42754944

約数和(自身を除く): 24049698

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 445363, 890726, 1336089, 2672178, 3117541, 6235082, 9352623, 18705246]

約数ペア:

[(1, 18705246), (2, 9352623), (3, 6235082), (6, 3117541), (7, 2672178), (14, 1336089), (21, 890726), (42, 445363)]