19439220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{323987}}^1$

素因数の和:323999

約数の個数: 24

約数和(自身を含む): 54429984

約数和(自身を除く): 34990764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 323987, 647974, 971961, 1295948, 1619935, 1943922, 3239870, 3887844, 4859805, 6479740, 9719610, 19439220]

約数ペア:

[(1, 19439220), (2, 9719610), (3, 6479740), (4, 4859805), (5, 3887844), (6, 3239870), (10, 1943922), (12, 1619935), (15, 1295948), (20, 971961), (30, 647974), (60, 323987)]