18719022

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{445691}}^1$

素因数の和:445703

約数の個数: 16

約数和(自身を含む): 42786432

約数和(自身を除く): 24067410

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 445691, 891382, 1337073, 2674146, 3119837, 6239674, 9359511, 18719022]

約数ペア:

[(1, 18719022), (2, 9359511), (3, 6239674), (6, 3119837), (7, 2674146), (14, 1337073), (21, 891382), (42, 445691)]