18240572

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15889}}^1$

素因数の和:15941

約数の個数: 24

約数和(自身を含む): 37373280

約数和(自身を除く): 19132708

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 15889, 31778, 63556, 111223, 222446, 444892, 651449, 1302898, 2605796, 4560143, 9120286, 18240572]

約数ペア:

[(1, 18240572), (2, 9120286), (4, 4560143), (7, 2605796), (14, 1302898), (28, 651449), (41, 444892), (82, 222446), (164, 111223), (287, 63556), (574, 31778), (1148, 15889)]