19220480

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1877}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 46142460

約数和(自身を除く): 26921980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1877, 2048, 2560, 3754, 5120, 7508, 9385, 10240, 15016, 18770, 30032, 37540, 60064, 75080, 120128, 150160, 240256, 300320, 480512, 600640, 961024, 1201280, 1922048, 2402560, 3844096, 4805120, 9610240, 19220480]

約数ペア:

[(1, 19220480), (2, 9610240), (4, 4805120), (5, 3844096), (8, 2402560), (10, 1922048), (16, 1201280), (20, 961024), (32, 600640), (40, 480512), (64, 300320), (80, 240256), (128, 150160), (160, 120128), (256, 75080), (320, 60064), (512, 37540), (640, 30032), (1024, 18770), (1280, 15016), (1877, 10240), (2048, 9385), (2560, 7508), (3754, 5120)]