19405982

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1373}}^1$

素因数の和:1603

約数の個数: 16

約数和(自身を含む): 30074112

約数和(自身を除く): 10668130

約数列:

[1, 2, 37, 74, 191, 382, 1373, 2746, 7067, 14134, 50801, 101602, 262243, 524486, 9702991, 19405982]

約数ペア:

[(1, 19405982), (2, 9702991), (37, 524486), (74, 262243), (191, 101602), (382, 50801), (1373, 14134), (2746, 7067)]