19952506

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2789}}^1$

素因数の和:2878

約数の個数: 24

約数和(自身を含む): 35304660

約数和(自身を除く): 15352154

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 511, 1022, 2789, 3577, 5578, 7154, 19523, 39046, 136661, 203597, 273322, 407194, 1425179, 2850358, 9976253, 19952506]

約数ペア:

[(1, 19952506), (2, 9976253), (7, 2850358), (14, 1425179), (49, 407194), (73, 273322), (98, 203597), (146, 136661), (511, 39046), (1022, 19523), (2789, 7154), (3577, 5578)]