19690147184

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1\times {\mathrm{1039}}^1$

素因数の和:1295

約数の個数: 120

約数和(自身を含む): 42893772480

約数和(自身を除く): 23203625296

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 193, 272, 304, 323, 361, 386, 646, 722, 772, 1039, 1292, 1444, 1544, 2078, 2584, 2888, 3088, 3281, 3667, 4156, 5168, 5776, 6137, 6562, 7334, 8312, 12274, 13124, 14668, 16624, 17663, 19741, 24548, 26248, 29336, 35326, 39482, 49096, 52496, 58672, 62339, 69673, 70652, 78964, 98192, 124678, 139346, 141304, 157928, 200527, 249356, 278692, 282608, 315856, 335597, 375079, 401054, 498712, 557384, 671194, 750158, 802108, 997424, 1114768, 1184441, 1342388, 1500316, 1604216, 2368882, 2684776, 3000632, 3208432, 3408959, 3810013, 4737764, 5369552, 6001264, 6376343, 6817918, 7620026, 9475528, 12752686, 13635836, 15240052, 18951056, 25505372, 27271672, 30480104, 51010744, 54543344, 60960208, 64770221, 72390247, 102021488, 129540442, 144780494, 259080884, 289560988, 518161768, 579121976, 1036323536, 1158243952, 1230634199, 2461268398, 4922536796, 9845073592, 19690147184]

約数ペア:

[(1, 19690147184), (2, 9845073592), (4, 4922536796), (8, 2461268398), (16, 1230634199), (17, 1158243952), (19, 1036323536), (34, 579121976), (38, 518161768), (68, 289560988), (76, 259080884), (136, 144780494), (152, 129540442), (193, 102021488), (272, 72390247), (304, 64770221), (323, 60960208), (361, 54543344), (386, 51010744), (646, 30480104), (722, 27271672), (772, 25505372), (1039, 18951056), (1292, 15240052), (1444, 13635836), (1544, 12752686), (2078, 9475528), (2584, 7620026), (2888, 6817918), (3088, 6376343), (3281, 6001264), (3667, 5369552), (4156, 4737764), (5168, 3810013), (5776, 3408959), (6137, 3208432), (6562, 3000632), (7334, 2684776), (8312, 2368882), (12274, 1604216), (13124, 1500316), (14668, 1342388), (16624, 1184441), (17663, 1114768), (19741, 997424), (24548, 802108), (26248, 750158), (29336, 671194), (35326, 557384), (39482, 498712), (49096, 401054), (52496, 375079), (58672, 335597), (62339, 315856), (69673, 282608), (70652, 278692), (78964, 249356), (98192, 200527), (124678, 157928), (139346, 141304)]