19686128

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:103

約数の個数: 120

約数和(自身を含む): 51841920

約数和(自身を除く): 32155792

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 29, 38, 44, 56, 58, 76, 77, 88, 112, 116, 133, 152, 154, 176, 203, 209, 232, 266, 304, 308, 319, 406, 418, 464, 532, 551, 616, 638, 812, 836, 841, 1064, 1102, 1232, 1276, 1463, 1624, 1672, 1682, 2128, 2204, 2233, 2552, 2926, 3248, 3344, 3364, 3857, 4408, 4466, 5104, 5852, 5887, 6061, 6728, 7714, 8816, 8932, 9251, 11704, 11774, 12122, 13456, 15428, 15979, 17864, 18502, 23408, 23548, 24244, 30856, 31958, 35728, 37004, 42427, 47096, 48488, 61712, 63916, 64757, 74008, 84854, 94192, 96976, 111853, 127832, 129514, 148016, 169708, 175769, 223706, 255664, 259028, 339416, 351538, 447412, 518056, 678832, 703076, 894824, 1036112, 1230383, 1406152, 1789648, 2460766, 2812304, 4921532, 9843064, 19686128]

約数ペア:

[(1, 19686128), (2, 9843064), (4, 4921532), (7, 2812304), (8, 2460766), (11, 1789648), (14, 1406152), (16, 1230383), (19, 1036112), (22, 894824), (28, 703076), (29, 678832), (38, 518056), (44, 447412), (56, 351538), (58, 339416), (76, 259028), (77, 255664), (88, 223706), (112, 175769), (116, 169708), (133, 148016), (152, 129514), (154, 127832), (176, 111853), (203, 96976), (209, 94192), (232, 84854), (266, 74008), (304, 64757), (308, 63916), (319, 61712), (406, 48488), (418, 47096), (464, 42427), (532, 37004), (551, 35728), (616, 31958), (638, 30856), (812, 24244), (836, 23548), (841, 23408), (1064, 18502), (1102, 17864), (1232, 15979), (1276, 15428), (1463, 13456), (1624, 12122), (1672, 11774), (1682, 11704), (2128, 9251), (2204, 8932), (2233, 8816), (2552, 7714), (2926, 6728), (3248, 6061), (3344, 5887), (3364, 5852), (3857, 5104), (4408, 4466)]