18575788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 41545728

約数和(自身を除く): 22969940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1471, 1804, 2942, 3157, 5884, 6314, 10297, 12628, 16181, 20594, 32362, 41188, 60311, 64724, 113267, 120622, 226534, 241244, 422177, 453068, 663421, 844354, 1326842, 1688708, 2653684, 4643947, 9287894, 18575788]

約数ペア:

[(1, 18575788), (2, 9287894), (4, 4643947), (7, 2653684), (11, 1688708), (14, 1326842), (22, 844354), (28, 663421), (41, 453068), (44, 422177), (77, 241244), (82, 226534), (154, 120622), (164, 113267), (287, 64724), (308, 60311), (451, 41188), (574, 32362), (902, 20594), (1148, 16181), (1471, 12628), (1804, 10297), (2942, 6314), (3157, 5884)]