19387520

素因数分解:

$2^7\times 5^1\times {\mathrm{30293}}^1$

素因数の和:30312

約数の個数: 32

約数和(自身を含む): 46349820

約数和(自身を除く): 26962300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30293, 60586, 121172, 151465, 242344, 302930, 484688, 605860, 969376, 1211720, 1938752, 2423440, 3877504, 4846880, 9693760, 19387520]

約数ペア:

[(1, 19387520), (2, 9693760), (4, 4846880), (5, 3877504), (8, 2423440), (10, 1938752), (16, 1211720), (20, 969376), (32, 605860), (40, 484688), (64, 302930), (80, 242344), (128, 151465), (160, 121172), (320, 60586), (640, 30293)]