18704238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{445339}}^1$

素因数の和:445351

約数の個数: 16

約数和(自身を含む): 42752640

約数和(自身を除く): 24048402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 445339, 890678, 1336017, 2672034, 3117373, 6234746, 9352119, 18704238]

約数ペア:

[(1, 18704238), (2, 9352119), (3, 6234746), (6, 3117373), (7, 2672034), (14, 1336017), (21, 890678), (42, 445339)]