18986781638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1\times {\mathrm{881}}^1\times {\mathrm{1117}}^1$

素因数の和:2888

約数の個数: 32

約数和(自身を含む): 31167890208

約数和(自身を除く): 12181108570

約数列:

[1, 2, 11, 22, 877, 881, 1117, 1754, 1762, 2234, 9647, 9691, 12287, 19294, 19382, 24574, 772637, 979609, 984077, 1545274, 1959218, 1968154, 8499007, 10775699, 10824847, 16998014, 21551398, 21649694, 863035529, 1726071058, 9493390819, 18986781638]

約数ペア:

[(1, 18986781638), (2, 9493390819), (11, 1726071058), (22, 863035529), (877, 21649694), (881, 21551398), (1117, 16998014), (1754, 10824847), (1762, 10775699), (2234, 8499007), (9647, 1968154), (9691, 1959218), (12287, 1545274), (19294, 984077), (19382, 979609), (24574, 772637)]