2018266576

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{14891}}^1$

素因数の和:15139

約数の個数: 40

約数和(自身を含む): 4021912224

約数和(自身を除く): 2003645648

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 197, 344, 394, 688, 788, 1576, 3152, 8471, 14891, 16942, 29782, 33884, 59564, 67768, 119128, 135536, 238256, 640313, 1280626, 2561252, 2933527, 5122504, 5867054, 10245008, 11734108, 23468216, 46936432, 126141661, 252283322, 504566644, 1009133288, 2018266576]

約数ペア:

[(1, 2018266576), (2, 1009133288), (4, 504566644), (8, 252283322), (16, 126141661), (43, 46936432), (86, 23468216), (172, 11734108), (197, 10245008), (344, 5867054), (394, 5122504), (688, 2933527), (788, 2561252), (1576, 1280626), (3152, 640313), (8471, 238256), (14891, 135536), (16942, 119128), (29782, 67768), (33884, 59564)]