19331440

素因数分解:

$2^4\times 5^1\times {\mathrm{241643}}^1$

素因数の和:241656

約数の個数: 20

約数和(自身を含む): 44945784

約数和(自身を除く): 25614344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241643, 483286, 966572, 1208215, 1933144, 2416430, 3866288, 4832860, 9665720, 19331440]

約数ペア:

[(1, 19331440), (2, 9665720), (4, 4832860), (5, 3866288), (8, 2416430), (10, 1933144), (16, 1208215), (20, 966572), (40, 483286), (80, 241643)]