2047663478

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{405157}}^1$

素因数の和:405204

約数の個数: 24

約数和(自身を含む): 3704764752

約数和(自身を除く): 1657101274

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 405157, 810314, 2836099, 5672198, 7697983, 15395966, 53885881, 107771762, 146261677, 292523354, 1023831739, 2047663478]

約数ペア:

[(1, 2047663478), (2, 1023831739), (7, 292523354), (14, 146261677), (19, 107771762), (38, 53885881), (133, 15395966), (266, 7697983), (361, 5672198), (722, 2836099), (2527, 810314), (5054, 405157)]