2011931128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307823}}^1$

素因数の和:307891

約数の個数: 32

約数和(自身を含む): 4063276800

約数和(自身を除く): 2051345672

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 307823, 615646, 1231292, 2462584, 5848637, 11697274, 13236389, 23394548, 26472778, 46789096, 52945556, 105891112, 251491391, 502982782, 1005965564, 2011931128]

約数ペア:

[(1, 2011931128), (2, 1005965564), (4, 502982782), (8, 251491391), (19, 105891112), (38, 52945556), (43, 46789096), (76, 26472778), (86, 23394548), (152, 13236389), (172, 11697274), (344, 5848637), (817, 2462584), (1634, 1231292), (3268, 615646), (6536, 307823)]