19986912

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^1\times {\mathrm{701}}^1$

素因数の和:734

約数の個数: 120

約数和(自身を含む): 64216152

約数和(自身を除く): 44229240

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 81, 88, 96, 99, 108, 132, 144, 162, 176, 198, 216, 264, 288, 297, 324, 352, 396, 432, 528, 594, 648, 701, 792, 864, 891, 1056, 1188, 1296, 1402, 1584, 1782, 2103, 2376, 2592, 2804, 3168, 3564, 4206, 4752, 5608, 6309, 7128, 7711, 8412, 9504, 11216, 12618, 14256, 15422, 16824, 18927, 22432, 23133, 25236, 28512, 30844, 33648, 37854, 46266, 50472, 56781, 61688, 67296, 69399, 75708, 92532, 100944, 113562, 123376, 138798, 151416, 185064, 201888, 208197, 227124, 246752, 277596, 302832, 370128, 416394, 454248, 555192, 605664, 624591, 740256, 832788, 908496, 1110384, 1249182, 1665576, 1816992, 2220768, 2498364, 3331152, 4996728, 6662304, 9993456, 19986912]

約数ペア:

[(1, 19986912), (2, 9993456), (3, 6662304), (4, 4996728), (6, 3331152), (8, 2498364), (9, 2220768), (11, 1816992), (12, 1665576), (16, 1249182), (18, 1110384), (22, 908496), (24, 832788), (27, 740256), (32, 624591), (33, 605664), (36, 555192), (44, 454248), (48, 416394), (54, 370128), (66, 302832), (72, 277596), (81, 246752), (88, 227124), (96, 208197), (99, 201888), (108, 185064), (132, 151416), (144, 138798), (162, 123376), (176, 113562), (198, 100944), (216, 92532), (264, 75708), (288, 69399), (297, 67296), (324, 61688), (352, 56781), (396, 50472), (432, 46266), (528, 37854), (594, 33648), (648, 30844), (701, 28512), (792, 25236), (864, 23133), (891, 22432), (1056, 18927), (1188, 16824), (1296, 15422), (1402, 14256), (1584, 12618), (1782, 11216), (2103, 9504), (2376, 8412), (2592, 7711), (2804, 7128), (3168, 6309), (3564, 5608), (4206, 4752)]