19510942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12491}}^1$

素因数の和:12575

約数の個数: 16

約数和(自身を含む): 32379264

約数和(自身を除く): 12868322

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12491, 24982, 137401, 274802, 886861, 1773722, 9755471, 19510942]

約数ペア:

[(1, 19510942), (2, 9755471), (11, 1773722), (22, 886861), (71, 274802), (142, 137401), (781, 24982), (1562, 12491)]