1873793222

素因数分解:

$2^1\times 7^4\times {\mathrm{390211}}^1$

素因数の和:390241

約数の個数: 20

約数和(自身を含む): 3278951436

約数和(自身を除く): 1405158214

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 390211, 780422, 2731477, 5462954, 19120339, 38240678, 133842373, 267684746, 936896611, 1873793222]

約数ペア:

[(1, 1873793222), (2, 936896611), (7, 267684746), (14, 133842373), (49, 38240678), (98, 19120339), (343, 5462954), (686, 2731477), (2401, 780422), (4802, 390211)]