51122426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{1999}}^1$

素因数の和:2693

約数の個数: 16

約数和(自身を含む): 80880000

約数和(自身を除く): 29757574

約数列:

[1, 2, 19, 38, 673, 1346, 1999, 3998, 12787, 25574, 37981, 75962, 1345327, 2690654, 25561213, 51122426]

約数ペア:

[(1, 51122426), (2, 25561213), (19, 2690654), (38, 1345327), (673, 75962), (1346, 37981), (1999, 25574), (3998, 12787)]