19235480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43717}}^1$

素因数の和:43739

約数の個数: 32

約数和(自身を含む): 47215440

約数和(自身を除く): 27979960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43717, 87434, 174868, 218585, 349736, 437170, 480887, 874340, 961774, 1748680, 1923548, 2404435, 3847096, 4808870, 9617740, 19235480]

約数ペア:

[(1, 19235480), (2, 9617740), (4, 4808870), (5, 3847096), (8, 2404435), (10, 1923548), (11, 1748680), (20, 961774), (22, 874340), (40, 480887), (44, 437170), (55, 349736), (88, 218585), (110, 174868), (220, 87434), (440, 43717)]