19793920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1933}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 47518380

約数和(自身を除く): 27724460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1933, 2048, 2560, 3866, 5120, 7732, 9665, 10240, 15464, 19330, 30928, 38660, 61856, 77320, 123712, 154640, 247424, 309280, 494848, 618560, 989696, 1237120, 1979392, 2474240, 3958784, 4948480, 9896960, 19793920]

約数ペア:

[(1, 19793920), (2, 9896960), (4, 4948480), (5, 3958784), (8, 2474240), (10, 1979392), (16, 1237120), (20, 989696), (32, 618560), (40, 494848), (64, 309280), (80, 247424), (128, 154640), (160, 123712), (256, 77320), (320, 61856), (512, 38660), (640, 30928), (1024, 19330), (1280, 15464), (1933, 10240), (2048, 9665), (2560, 7732), (3866, 5120)]