19002680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11587}}^1$

素因数の和:11639

約数の個数: 32

約数和(自身を含む): 43802640

約数和(自身を除く): 24799960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11587, 23174, 46348, 57935, 92696, 115870, 231740, 463480, 475067, 950134, 1900268, 2375335, 3800536, 4750670, 9501340, 19002680]

約数ペア:

[(1, 19002680), (2, 9501340), (4, 4750670), (5, 3800536), (8, 2375335), (10, 1900268), (20, 950134), (40, 475067), (41, 463480), (82, 231740), (164, 115870), (205, 92696), (328, 57935), (410, 46348), (820, 23174), (1640, 11587)]