18723146344

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1361}}^1$

素因数の和:1643

約数の個数: 128

約数和(自身を含む): 42716678400

約数和(自身を除く): 23993532056

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 43, 56, 58, 86, 116, 172, 197, 203, 232, 301, 344, 394, 406, 602, 788, 812, 1204, 1247, 1361, 1379, 1576, 1624, 2408, 2494, 2722, 2758, 4988, 5444, 5516, 5713, 8471, 8729, 9527, 9976, 10888, 11032, 11426, 16942, 17458, 19054, 22852, 33884, 34916, 38108, 39469, 39991, 45704, 58523, 59297, 67768, 69832, 76216, 78938, 79982, 117046, 118594, 157876, 159964, 234092, 237188, 245659, 268117, 276283, 315752, 319928, 409661, 468184, 474376, 491318, 536234, 552566, 819322, 982636, 1072468, 1105132, 1638644, 1697167, 1719613, 1876819, 1965272, 2144936, 2210264, 3277288, 3394334, 3439226, 3753638, 6788668, 6878452, 7507276, 7775393, 11529031, 11880169, 13577336, 13756904, 15014552, 15550786, 23058062, 23760338, 31101572, 46116124, 47520676, 54427751, 62203144, 80703217, 92232248, 95041352, 108855502, 161406434, 217711004, 322812868, 334341899, 435422008, 645625736, 668683798, 1337367596, 2340393293, 2674735192, 4680786586, 9361573172, 18723146344]

約数ペア:

[(1, 18723146344), (2, 9361573172), (4, 4680786586), (7, 2674735192), (8, 2340393293), (14, 1337367596), (28, 668683798), (29, 645625736), (43, 435422008), (56, 334341899), (58, 322812868), (86, 217711004), (116, 161406434), (172, 108855502), (197, 95041352), (203, 92232248), (232, 80703217), (301, 62203144), (344, 54427751), (394, 47520676), (406, 46116124), (602, 31101572), (788, 23760338), (812, 23058062), (1204, 15550786), (1247, 15014552), (1361, 13756904), (1379, 13577336), (1576, 11880169), (1624, 11529031), (2408, 7775393), (2494, 7507276), (2722, 6878452), (2758, 6788668), (4988, 3753638), (5444, 3439226), (5516, 3394334), (5713, 3277288), (8471, 2210264), (8729, 2144936), (9527, 1965272), (9976, 1876819), (10888, 1719613), (11032, 1697167), (11426, 1638644), (16942, 1105132), (17458, 1072468), (19054, 982636), (22852, 819322), (33884, 552566), (34916, 536234), (38108, 491318), (39469, 474376), (39991, 468184), (45704, 409661), (58523, 319928), (59297, 315752), (67768, 276283), (69832, 268117), (76216, 245659), (78938, 237188), (79982, 234092), (117046, 159964), (118594, 157876)]