19993298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1579}}^1$

素因数の和:2081

約数の個数: 16

約数和(自身を含む): 32383680

約数和(自身を除く): 12390382

約数列:

[1, 2, 13, 26, 487, 974, 1579, 3158, 6331, 12662, 20527, 41054, 768973, 1537946, 9996649, 19993298]

約数ペア:

[(1, 19993298), (2, 9996649), (13, 1537946), (26, 768973), (487, 41054), (974, 20527), (1579, 12662), (3158, 6331)]