19572580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23869}}^1$

素因数の和:23919

約数の個数: 24

約数和(自身を含む): 42106680

約数和(自身を除く): 22534100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23869, 47738, 95476, 119345, 238690, 477380, 978629, 1957258, 3914516, 4893145, 9786290, 19572580]

約数ペア:

[(1, 19572580), (2, 9786290), (4, 4893145), (5, 3914516), (10, 1957258), (20, 978629), (41, 477380), (82, 238690), (164, 119345), (205, 95476), (410, 47738), (820, 23869)]