19167760

素因数分解:

$2^4\times 5^1\times {\mathrm{239597}}^1$

素因数の和:239610

約数の個数: 20

約数和(自身を含む): 44565228

約数和(自身を除く): 25397468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239597, 479194, 958388, 1197985, 1916776, 2395970, 3833552, 4791940, 9583880, 19167760]

約数ペア:

[(1, 19167760), (2, 9583880), (4, 4791940), (5, 3833552), (8, 2395970), (10, 1916776), (16, 1197985), (20, 958388), (40, 479194), (80, 239597)]