19046960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5807}}^1$

素因数の和:5861

約数の個数: 40

約数和(自身を含む): 45372096

約数和(自身を除く): 26325136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5807, 11614, 23228, 29035, 46456, 58070, 92912, 116140, 232280, 238087, 464560, 476174, 952348, 1190435, 1904696, 2380870, 3809392, 4761740, 9523480, 19046960]

約数ペア:

[(1, 19046960), (2, 9523480), (4, 4761740), (5, 3809392), (8, 2380870), (10, 1904696), (16, 1190435), (20, 952348), (40, 476174), (41, 464560), (80, 238087), (82, 232280), (164, 116140), (205, 92912), (328, 58070), (410, 46456), (656, 29035), (820, 23228), (1640, 11614), (3280, 5807)]