19011880

素因数分解:

$2^3\times 5^1\times {\mathrm{475297}}^1$

素因数の和:475308

約数の個数: 16

約数和(自身を含む): 42776820

約数和(自身を除く): 23764940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 475297, 950594, 1901188, 2376485, 3802376, 4752970, 9505940, 19011880]

約数ペア:

[(1, 19011880), (2, 9505940), (4, 4752970), (5, 3802376), (8, 2376485), (10, 1901188), (20, 950594), (40, 475297)]