1814810384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{811}}^1$

素因数の和:1288

約数の個数: 80

約数和(自身を含む): 3932873280

約数和(自身を除く): 2118062896

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 433, 646, 811, 866, 1292, 1622, 1732, 2584, 3244, 3464, 5168, 6488, 6928, 7361, 8227, 12976, 13787, 14722, 15409, 16454, 27574, 29444, 30818, 32908, 55148, 58888, 61636, 65816, 110296, 117776, 123272, 131632, 139859, 220592, 246544, 261953, 279718, 351163, 523906, 559436, 702326, 1047812, 1118872, 1404652, 2095624, 2237744, 2809304, 4191248, 5618608, 5969771, 6672097, 11939542, 13344194, 23879084, 26688388, 47758168, 53376776, 95516336, 106753552, 113425649, 226851298, 453702596, 907405192, 1814810384]

約数ペア:

[(1, 1814810384), (2, 907405192), (4, 453702596), (8, 226851298), (16, 113425649), (17, 106753552), (19, 95516336), (34, 53376776), (38, 47758168), (68, 26688388), (76, 23879084), (136, 13344194), (152, 11939542), (272, 6672097), (304, 5969771), (323, 5618608), (433, 4191248), (646, 2809304), (811, 2237744), (866, 2095624), (1292, 1404652), (1622, 1118872), (1732, 1047812), (2584, 702326), (3244, 559436), (3464, 523906), (5168, 351163), (6488, 279718), (6928, 261953), (7361, 246544), (8227, 220592), (12976, 139859), (13787, 131632), (14722, 123272), (15409, 117776), (16454, 110296), (27574, 65816), (29444, 61636), (30818, 58888), (32908, 55148)]