19487939

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:362

約数の個数: 16

約数和(自身を含む): 21235200

約数和(自身を除く): 1747261

約数列:

[1, 19, 47, 139, 157, 893, 2641, 2983, 6533, 7379, 21823, 124127, 140201, 414637, 1025681, 19487939]

約数ペア:

[(1, 19487939), (19, 1025681), (47, 414637), (139, 140201), (157, 124127), (893, 21823), (2641, 7379), (2983, 6533)]