19207580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137197}}^1$

素因数の和:137213

約数の個数: 24

約数和(自身を含む): 46098528

約数和(自身を除く): 26890948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137197, 274394, 548788, 685985, 960379, 1371970, 1920758, 2743940, 3841516, 4801895, 9603790, 19207580]

約数ペア:

[(1, 19207580), (2, 9603790), (4, 4801895), (5, 3841516), (7, 2743940), (10, 1920758), (14, 1371970), (20, 960379), (28, 685985), (35, 548788), (70, 274394), (140, 137197)]