20174397518

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{418921}}^1$

素因数の和:419144

約数の個数: 24

約数和(自身を含む): 33429975600

約数和(自身を除く): 13255578082

約数列:

[1, 2, 11, 22, 121, 199, 242, 398, 2189, 4378, 24079, 48158, 418921, 837842, 4608131, 9216262, 50689441, 83365279, 101378882, 166730558, 917018069, 1834036138, 10087198759, 20174397518]

約数ペア:

[(1, 20174397518), (2, 10087198759), (11, 1834036138), (22, 917018069), (121, 166730558), (199, 101378882), (242, 83365279), (398, 50689441), (2189, 9216262), (4378, 4608131), (24079, 837842), (48158, 418921)]