19984792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6389}}^1$

素因数の和:6435

約数の個数: 32

約数和(自身を含む): 41407200

約数和(自身を除く): 21422408

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 6389, 12778, 25556, 51112, 108613, 146947, 217226, 293894, 434452, 587788, 868904, 1175576, 2498099, 4996198, 9992396, 19984792]

約数ペア:

[(1, 19984792), (2, 9992396), (4, 4996198), (8, 2498099), (17, 1175576), (23, 868904), (34, 587788), (46, 434452), (68, 293894), (92, 217226), (136, 146947), (184, 108613), (391, 51112), (782, 25556), (1564, 12778), (3128, 6389)]