19037660

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2447}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 40098240

約数和(自身を除く): 21060580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 2447, 3890, 4894, 7780, 9788, 12235, 24470, 48940, 951883, 1903766, 3807532, 4759415, 9518830, 19037660]

約数ペア:

[(1, 19037660), (2, 9518830), (4, 4759415), (5, 3807532), (10, 1903766), (20, 951883), (389, 48940), (778, 24470), (1556, 12235), (1945, 9788), (2447, 7780), (3890, 4894)]