2019912850

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{453913}}^1$

素因数の和:454014

約数の個数: 24

約数和(自身を含む): 3799260180

約数和(自身を除く): 1779347330

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 453913, 907826, 2269565, 4539130, 11347825, 22695650, 40398257, 80796514, 201991285, 403982570, 1009956425, 2019912850]

約数ペア:

[(1, 2019912850), (2, 1009956425), (5, 403982570), (10, 201991285), (25, 80796514), (50, 40398257), (89, 22695650), (178, 11347825), (445, 4539130), (890, 2269565), (2225, 907826), (4450, 453913)]