19309040

素因数分解:

$2^4\times 5^1\times {\mathrm{241363}}^1$

素因数の和:241376

約数の個数: 20

約数和(自身を含む): 44893704

約数和(自身を除く): 25584664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241363, 482726, 965452, 1206815, 1930904, 2413630, 3861808, 4827260, 9654520, 19309040]

約数ペア:

[(1, 19309040), (2, 9654520), (4, 4827260), (5, 3861808), (8, 2413630), (10, 1930904), (16, 1206815), (20, 965452), (40, 482726), (80, 241363)]