19575556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4889}}^1$

素因数の和:4924

約数の個数: 48

約数和(自身を含む): 46005120

約数和(自身を除く): 26429564

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 4889, 9778, 19556, 34223, 53779, 63557, 68446, 107558, 127114, 136892, 215116, 254228, 376453, 444899, 699127, 752906, 889798, 1398254, 1505812, 1779596, 2796508, 4893889, 9787778, 19575556]

約数ペア:

[(1, 19575556), (2, 9787778), (4, 4893889), (7, 2796508), (11, 1779596), (13, 1505812), (14, 1398254), (22, 889798), (26, 752906), (28, 699127), (44, 444899), (52, 376453), (77, 254228), (91, 215116), (143, 136892), (154, 127114), (182, 107558), (286, 68446), (308, 63557), (364, 53779), (572, 34223), (1001, 19556), (2002, 9778), (4004, 4889)]