19398040

素因数分解:

$2^3\times 5^1\times {\mathrm{484951}}^1$

素因数の和:484962

約数の個数: 16

約数和(自身を含む): 43645680

約数和(自身を除く): 24247640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 484951, 969902, 1939804, 2424755, 3879608, 4849510, 9699020, 19398040]

約数ペア:

[(1, 19398040), (2, 9699020), (4, 4849510), (5, 3879608), (8, 2424755), (10, 1939804), (20, 969902), (40, 484951)]