19907624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5261}}^1$

素因数の和:5321

約数の個数: 32

約数和(自身を含む): 41675040

約数和(自身を除く): 21767416

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5261, 10522, 21044, 42088, 57871, 115742, 226223, 231484, 452446, 462968, 904892, 1809784, 2488453, 4976906, 9953812, 19907624]

約数ペア:

[(1, 19907624), (2, 9953812), (4, 4976906), (8, 2488453), (11, 1809784), (22, 904892), (43, 462968), (44, 452446), (86, 231484), (88, 226223), (172, 115742), (344, 57871), (473, 42088), (946, 21044), (1892, 10522), (3784, 5261)]