19776328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 44452800

約数和(自身を除く): 24676472

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 59, 88, 104, 118, 143, 236, 286, 293, 472, 572, 586, 649, 767, 1144, 1172, 1298, 1534, 2344, 2596, 3068, 3223, 3809, 5192, 6136, 6446, 7618, 8437, 12892, 15236, 16874, 17287, 25784, 30472, 33748, 34574, 41899, 67496, 69148, 83798, 138296, 167596, 190157, 224731, 335192, 380314, 449462, 760628, 898924, 1521256, 1797848, 2472041, 4944082, 9888164, 19776328]

約数ペア:

[(1, 19776328), (2, 9888164), (4, 4944082), (8, 2472041), (11, 1797848), (13, 1521256), (22, 898924), (26, 760628), (44, 449462), (52, 380314), (59, 335192), (88, 224731), (104, 190157), (118, 167596), (143, 138296), (236, 83798), (286, 69148), (293, 67496), (472, 41899), (572, 34574), (586, 33748), (649, 30472), (767, 25784), (1144, 17287), (1172, 16874), (1298, 15236), (1534, 12892), (2344, 8437), (2596, 7618), (3068, 6446), (3223, 6136), (3809, 5192)]