18887224

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 36741600

約数和(自身を除く): 17854376

約数列:

[1, 2, 4, 8, 41, 82, 89, 164, 178, 328, 356, 647, 712, 1294, 2588, 3649, 5176, 7298, 14596, 26527, 29192, 53054, 57583, 106108, 115166, 212216, 230332, 460664, 2360903, 4721806, 9443612, 18887224]

約数ペア:

[(1, 18887224), (2, 9443612), (4, 4721806), (8, 2360903), (41, 460664), (82, 230332), (89, 212216), (164, 115166), (178, 106108), (328, 57583), (356, 53054), (647, 29192), (712, 26527), (1294, 14596), (2588, 7298), (3649, 5176)]