18387327672

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{640049}}^1$

素因数の和:640090

約数の個数: 128

約数和(自身を含む): 61444800000

約数和(自身を除く): 43057472328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 756, 798, 1026, 1064, 1197, 1368, 1512, 1596, 2052, 2394, 3192, 3591, 4104, 4788, 7182, 9576, 14364, 28728, 640049, 1280098, 1920147, 2560196, 3840294, 4480343, 5120392, 5760441, 7680588, 8960686, 11520882, 12160931, 13441029, 15361176, 17281323, 17921372, 23041764, 24321862, 26882058, 34562646, 35842744, 36482793, 40323087, 46083528, 48643724, 53764116, 69125292, 72965586, 80646174, 85126517, 97287448, 107528232, 109448379, 120969261, 138250584, 145931172, 161292348, 170253034, 218896758, 241938522, 255379551, 291862344, 322584696, 328345137, 340506068, 437793516, 483877044, 510759102, 656690274, 681012136, 766138653, 875587032, 967754088, 1021518204, 1313380548, 1532277306, 2043036408, 2298415959, 2626761096, 3064554612, 4596831918, 6129109224, 9193663836, 18387327672]

約数ペア:

[(1, 18387327672), (2, 9193663836), (3, 6129109224), (4, 4596831918), (6, 3064554612), (7, 2626761096), (8, 2298415959), (9, 2043036408), (12, 1532277306), (14, 1313380548), (18, 1021518204), (19, 967754088), (21, 875587032), (24, 766138653), (27, 681012136), (28, 656690274), (36, 510759102), (38, 483877044), (42, 437793516), (54, 340506068), (56, 328345137), (57, 322584696), (63, 291862344), (72, 255379551), (76, 241938522), (84, 218896758), (108, 170253034), (114, 161292348), (126, 145931172), (133, 138250584), (152, 120969261), (168, 109448379), (171, 107528232), (189, 97287448), (216, 85126517), (228, 80646174), (252, 72965586), (266, 69125292), (342, 53764116), (378, 48643724), (399, 46083528), (456, 40323087), (504, 36482793), (513, 35842744), (532, 34562646), (684, 26882058), (756, 24321862), (798, 23041764), (1026, 17921372), (1064, 17281323), (1197, 15361176), (1368, 13441029), (1512, 12160931), (1596, 11520882), (2052, 8960686), (2394, 7680588), (3192, 5760441), (3591, 5120392), (4104, 4480343), (4788, 3840294), (7182, 2560196), (9576, 1920147), (14364, 1280098), (28728, 640049)]