19857029409

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16588997}}^1$

素因数の和:16589029

約数の個数: 24

約数和(自身を含む): 34505115840

約数和(自身を除く): 14648086431

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16588997, 49766991, 116122979, 149300973, 315190943, 348368937, 945572829, 1045106811, 2206336601, 2836718487, 6619009803, 19857029409]

約数ペア:

[(1, 19857029409), (3, 6619009803), (7, 2836718487), (9, 2206336601), (19, 1045106811), (21, 945572829), (57, 348368937), (63, 315190943), (133, 149300973), (171, 116122979), (399, 49766991), (1197, 16588997)]