18680451988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9873389}}^1$

素因数の和:9873447

約数の個数: 24

約数和(自身を含む): 36492049440

約数和(自身を除く): 17811597452

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 9873389, 19746778, 39493556, 108607279, 217214558, 424555727, 434429116, 849111454, 1698222908, 4670112997, 9340225994, 18680451988]

約数ペア:

[(1, 18680451988), (2, 9340225994), (4, 4670112997), (11, 1698222908), (22, 849111454), (43, 434429116), (44, 424555727), (86, 217214558), (172, 108607279), (473, 39493556), (946, 19746778), (1892, 9873389)]