18638080

素因数分解:

$2^8\times 5^1\times {\mathrm{14561}}^1$

素因数の和:14582

約数の個数: 36

約数和(自身を含む): 44647092

約数和(自身を除く): 26009012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14561, 29122, 58244, 72805, 116488, 145610, 232976, 291220, 465952, 582440, 931904, 1164880, 1863808, 2329760, 3727616, 4659520, 9319040, 18638080]

約数ペア:

[(1, 18638080), (2, 9319040), (4, 4659520), (5, 3727616), (8, 2329760), (10, 1863808), (16, 1164880), (20, 931904), (32, 582440), (40, 465952), (64, 291220), (80, 232976), (128, 145610), (160, 116488), (256, 72805), (320, 58244), (640, 29122), (1280, 14561)]