19098940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136421}}^1$

素因数の和:136437

約数の個数: 24

約数和(自身を含む): 45837792

約数和(自身を除く): 26738852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136421, 272842, 545684, 682105, 954947, 1364210, 1909894, 2728420, 3819788, 4774735, 9549470, 19098940]

約数ペア:

[(1, 19098940), (2, 9549470), (4, 4774735), (5, 3819788), (7, 2728420), (10, 1909894), (14, 1364210), (20, 954947), (28, 682105), (35, 545684), (70, 272842), (140, 136421)]