19255880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68771}}^1$

素因数の和:68789

約数の個数: 32

約数和(自身を含む): 49515840

約数和(自身を除く): 30259960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68771, 137542, 275084, 343855, 481397, 550168, 687710, 962794, 1375420, 1925588, 2406985, 2750840, 3851176, 4813970, 9627940, 19255880]

約数ペア:

[(1, 19255880), (2, 9627940), (4, 4813970), (5, 3851176), (7, 2750840), (8, 2406985), (10, 1925588), (14, 1375420), (20, 962794), (28, 687710), (35, 550168), (40, 481397), (56, 343855), (70, 275084), (140, 137542), (280, 68771)]