90191974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{11927}}^1$

素因数の和:12147

約数の個数: 16

約数和(自身を含む): 143136000

約数和(自身を除く): 52944026

約数列:

[1, 2, 19, 38, 199, 398, 3781, 7562, 11927, 23854, 226613, 453226, 2373473, 4746946, 45095987, 90191974]

約数ペア:

[(1, 90191974), (2, 45095987), (19, 4746946), (38, 2373473), (199, 453226), (398, 226613), (3781, 23854), (7562, 11927)]