19555684

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 35362040

約数和(自身を除く): 15806356

約数列:

[1, 2, 4, 37, 74, 148, 229, 458, 577, 916, 1154, 2308, 8473, 16946, 21349, 33892, 42698, 85396, 132133, 264266, 528532, 4888921, 9777842, 19555684]

約数ペア:

[(1, 19555684), (2, 9777842), (4, 4888921), (37, 528532), (74, 264266), (148, 132133), (229, 85396), (458, 42698), (577, 33892), (916, 21349), (1154, 16946), (2308, 8473)]