19247920

素因数分解:

$2^4\times 5^1\times {\mathrm{240599}}^1$

素因数の和:240612

約数の個数: 20

約数和(自身を含む): 44751600

約数和(自身を除く): 25503680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240599, 481198, 962396, 1202995, 1924792, 2405990, 3849584, 4811980, 9623960, 19247920]

約数ペア:

[(1, 19247920), (2, 9623960), (4, 4811980), (5, 3849584), (8, 2405990), (10, 1924792), (16, 1202995), (20, 962396), (40, 481198), (80, 240599)]