19104920

素因数分解:

$2^3\times 5^1\times {\mathrm{477623}}^1$

素因数の和:477634

約数の個数: 16

約数和(自身を含む): 42986160

約数和(自身を除く): 23881240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 477623, 955246, 1910492, 2388115, 3820984, 4776230, 9552460, 19104920]

約数ペア:

[(1, 19104920), (2, 9552460), (4, 4776230), (5, 3820984), (8, 2388115), (10, 1910492), (20, 955246), (40, 477623)]