2019774808

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{55721}}^1$

素因数の和:55947

約数の個数: 32

約数和(自身を含む): 3971864160

約数和(自身を除く): 1952089352

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 197, 394, 788, 1576, 4531, 9062, 18124, 36248, 55721, 111442, 222884, 445768, 1281583, 2563166, 5126332, 10252664, 10977037, 21954074, 43908148, 87816296, 252471851, 504943702, 1009887404, 2019774808]

約数ペア:

[(1, 2019774808), (2, 1009887404), (4, 504943702), (8, 252471851), (23, 87816296), (46, 43908148), (92, 21954074), (184, 10977037), (197, 10252664), (394, 5126332), (788, 2563166), (1576, 1281583), (4531, 445768), (9062, 222884), (18124, 111442), (36248, 55721)]