19085240

素因数分解:

$2^3\times 5^1\times {\mathrm{477131}}^1$

素因数の和:477142

約数の個数: 16

約数和(自身を含む): 42941880

約数和(自身を除く): 23856640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 477131, 954262, 1908524, 2385655, 3817048, 4771310, 9542620, 19085240]

約数ペア:

[(1, 19085240), (2, 9542620), (4, 4771310), (5, 3817048), (8, 2385655), (10, 1908524), (20, 954262), (40, 477131)]