1800238

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 24

約数和(自身を含む): 3054744

約数和(自身を除く): 1254506

約数列:

[1, 2, 11, 22, 43, 86, 121, 173, 242, 346, 473, 946, 1903, 3806, 5203, 7439, 10406, 14878, 20933, 41866, 81829, 163658, 900119, 1800238]

約数ペア:

[(1, 1800238), (2, 900119), (11, 163658), (22, 81829), (43, 41866), (86, 20933), (121, 14878), (173, 10406), (242, 7439), (346, 5203), (473, 3806), (946, 1903)]