19252220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74047}}^1$

素因数の和:74069

約数の個数: 24

約数和(自身を含む): 43540224

約数和(自身を除く): 24288004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74047, 148094, 296188, 370235, 740470, 962611, 1480940, 1925222, 3850444, 4813055, 9626110, 19252220]

約数ペア:

[(1, 19252220), (2, 9626110), (4, 4813055), (5, 3850444), (10, 1925222), (13, 1480940), (20, 962611), (26, 740470), (52, 370235), (65, 296188), (130, 148094), (260, 74047)]