19211062

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13044938

約数列:

[1, 2, 13, 26, 47, 79, 94, 158, 199, 398, 611, 1027, 1222, 2054, 2587, 3713, 5174, 7426, 9353, 15721, 18706, 31442, 48269, 96538, 121589, 204373, 243178, 408746, 738887, 1477774, 9605531, 19211062]

約数ペア:

[(1, 19211062), (2, 9605531), (13, 1477774), (26, 738887), (47, 408746), (79, 243178), (94, 204373), (158, 121589), (199, 96538), (398, 48269), (611, 31442), (1027, 18706), (1222, 15721), (2054, 9353), (2587, 7426), (3713, 5174)]