19711802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 33606144

約数和(自身を除く): 13894342

約数列:

[1, 2, 11, 22, 43, 67, 86, 134, 311, 473, 622, 737, 946, 1474, 2881, 3421, 5762, 6842, 13373, 20837, 26746, 31691, 41674, 63382, 147103, 229207, 294206, 458414, 895991, 1791982, 9855901, 19711802]

約数ペア:

[(1, 19711802), (2, 9855901), (11, 1791982), (22, 895991), (43, 458414), (67, 294206), (86, 229207), (134, 147103), (311, 63382), (473, 41674), (622, 31691), (737, 26746), (946, 20837), (1474, 13373), (2881, 6842), (3421, 5762)]