19015568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8311}}^1$

素因数の和:8343

約数の個数: 40

約数和(自身を含む): 43288896

約数和(自身を除く): 24273328

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8311, 16622, 33244, 66488, 91421, 108043, 132976, 182842, 216086, 365684, 432172, 731368, 864344, 1188473, 1462736, 1728688, 2376946, 4753892, 9507784, 19015568]

約数ペア:

[(1, 19015568), (2, 9507784), (4, 4753892), (8, 2376946), (11, 1728688), (13, 1462736), (16, 1188473), (22, 864344), (26, 731368), (44, 432172), (52, 365684), (88, 216086), (104, 182842), (143, 132976), (176, 108043), (208, 91421), (286, 66488), (572, 33244), (1144, 16622), (2288, 8311)]