1887639021872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{19738571}}^1$

素因数の和:19738761

約数の個数: 40

約数和(自身を含む): 3769277709120

約数和(自身を除く): 1881638687248

約数列:

[1, 2, 4, 8, 16, 43, 86, 139, 172, 278, 344, 556, 688, 1112, 2224, 5977, 11954, 23908, 47816, 95632, 19738571, 39477142, 78954284, 157908568, 315817136, 848758553, 1697517106, 2743661369, 3395034212, 5487322738, 6790068424, 10974645476, 13580136848, 21949290952, 43898581904, 117977438867, 235954877734, 471909755468, 943819510936, 1887639021872]

約数ペア:

[(1, 1887639021872), (2, 943819510936), (4, 471909755468), (8, 235954877734), (16, 117977438867), (43, 43898581904), (86, 21949290952), (139, 13580136848), (172, 10974645476), (278, 6790068424), (344, 5487322738), (556, 3395034212), (688, 2743661369), (1112, 1697517106), (2224, 848758553), (5977, 315817136), (11954, 157908568), (23908, 78954284), (47816, 39477142), (95632, 19738571)]