18587016

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:688

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 43620984

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, 647, 684, 756, 798, 1026, 1064, 1197, 1294, 1368, 1512, 1596, 1941, 2052, 2394, 2588, 3192, 3591, 3882, 4104, 4529, 4788, 5176, 5823, 7182, 7764, 9058, 9576, 11646, 12293, 13587, 14364, 15528, 17469, 18116, 23292, 24586, 27174, 28728, 34938, 36232, 36879, 40761, 46584, 49172, 54348, 69876, 73758, 81522, 86051, 98344, 108696, 110637, 122283, 139752, 147516, 163044, 172102, 221274, 244566, 258153, 295032, 326088, 331911, 344204, 442548, 489132, 516306, 663822, 688408, 774459, 885096, 978264, 1032612, 1327644, 1548918, 2065224, 2323377, 2655288, 3097836, 4646754, 6195672, 9293508, 18587016]

約数ペア:

[(1, 18587016), (2, 9293508), (3, 6195672), (4, 4646754), (6, 3097836), (7, 2655288), (8, 2323377), (9, 2065224), (12, 1548918), (14, 1327644), (18, 1032612), (19, 978264), (21, 885096), (24, 774459), (27, 688408), (28, 663822), (36, 516306), (38, 489132), (42, 442548), (54, 344204), (56, 331911), (57, 326088), (63, 295032), (72, 258153), (76, 244566), (84, 221274), (108, 172102), (114, 163044), (126, 147516), (133, 139752), (152, 122283), (168, 110637), (171, 108696), (189, 98344), (216, 86051), (228, 81522), (252, 73758), (266, 69876), (342, 54348), (378, 49172), (399, 46584), (456, 40761), (504, 36879), (513, 36232), (532, 34938), (647, 28728), (684, 27174), (756, 24586), (798, 23292), (1026, 18116), (1064, 17469), (1197, 15528), (1294, 14364), (1368, 13587), (1512, 12293), (1596, 11646), (1941, 9576), (2052, 9058), (2394, 7764), (2588, 7182), (3192, 5823), (3591, 5176), (3882, 4788), (4104, 4529)]