19978362824

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{45697}}^1$

素因数の和:45958

約数の個数: 64

約数和(自身を含む): 44177170560

約数和(自身を除く): 24198807736

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 211, 259, 296, 422, 518, 844, 1036, 1477, 1688, 2072, 2954, 5908, 7807, 11816, 15614, 31228, 45697, 54649, 62456, 91394, 109298, 182788, 218596, 319879, 365576, 437192, 639758, 1279516, 1690789, 2559032, 3381578, 6763156, 9642067, 11835523, 13526312, 19284134, 23671046, 38568268, 47342092, 67494469, 77136536, 94684184, 134988938, 269977876, 356756479, 539955752, 713512958, 1427025916, 2497295353, 2854051832, 4994590706, 9989181412, 19978362824]

約数ペア:

[(1, 19978362824), (2, 9989181412), (4, 4994590706), (7, 2854051832), (8, 2497295353), (14, 1427025916), (28, 713512958), (37, 539955752), (56, 356756479), (74, 269977876), (148, 134988938), (211, 94684184), (259, 77136536), (296, 67494469), (422, 47342092), (518, 38568268), (844, 23671046), (1036, 19284134), (1477, 13526312), (1688, 11835523), (2072, 9642067), (2954, 6763156), (5908, 3381578), (7807, 2559032), (11816, 1690789), (15614, 1279516), (31228, 639758), (45697, 437192), (54649, 365576), (62456, 319879), (91394, 218596), (109298, 182788)]