19552880

素因数分解:

$2^4\times 5^1\times {\mathrm{244411}}^1$

素因数の和:244424

約数の個数: 20

約数和(自身を含む): 45460632

約数和(自身を除く): 25907752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 244411, 488822, 977644, 1222055, 1955288, 2444110, 3910576, 4888220, 9776440, 19552880]

約数ペア:

[(1, 19552880), (2, 9776440), (4, 4888220), (5, 3910576), (8, 2444110), (10, 1955288), (16, 1222055), (20, 977644), (40, 488822), (80, 244411)]