19655072

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 40388544

約数和(自身を除く): 20733472

約数列:

[1, 2, 4, 8, 16, 32, 41, 71, 82, 142, 164, 211, 284, 328, 422, 568, 656, 844, 1136, 1312, 1688, 2272, 2911, 3376, 5822, 6752, 8651, 11644, 14981, 17302, 23288, 29962, 34604, 46576, 59924, 69208, 93152, 119848, 138416, 239696, 276832, 479392, 614221, 1228442, 2456884, 4913768, 9827536, 19655072]

約数ペア:

[(1, 19655072), (2, 9827536), (4, 4913768), (8, 2456884), (16, 1228442), (32, 614221), (41, 479392), (71, 276832), (82, 239696), (142, 138416), (164, 119848), (211, 93152), (284, 69208), (328, 59924), (422, 46576), (568, 34604), (656, 29962), (844, 23288), (1136, 17302), (1312, 14981), (1688, 11644), (2272, 8651), (2911, 6752), (3376, 5822)]