18774756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 63842688

約数和(自身を除く): 45067932

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 521, 546, 572, 693, 819, 858, 924, 1001, 1042, 1092, 1287, 1386, 1563, 1638, 1716, 2002, 2084, 2574, 2772, 3003, 3126, 3276, 3647, 4004, 4689, 5148, 5731, 6006, 6252, 6773, 7294, 9009, 9378, 10941, 11462, 12012, 13546, 14588, 17193, 18018, 18756, 20319, 21882, 22924, 27092, 32823, 34386, 36036, 40117, 40638, 43764, 47411, 51579, 60957, 65646, 68772, 74503, 80234, 81276, 94822, 103158, 120351, 121914, 131292, 142233, 149006, 160468, 189644, 206316, 223509, 240702, 243828, 284466, 298012, 361053, 426699, 447018, 481404, 521521, 568932, 670527, 722106, 853398, 894036, 1043042, 1341054, 1444212, 1564563, 1706796, 2086084, 2682108, 3129126, 4693689, 6258252, 9387378, 18774756]

約数ペア:

[(1, 18774756), (2, 9387378), (3, 6258252), (4, 4693689), (6, 3129126), (7, 2682108), (9, 2086084), (11, 1706796), (12, 1564563), (13, 1444212), (14, 1341054), (18, 1043042), (21, 894036), (22, 853398), (26, 722106), (28, 670527), (33, 568932), (36, 521521), (39, 481404), (42, 447018), (44, 426699), (52, 361053), (63, 298012), (66, 284466), (77, 243828), (78, 240702), (84, 223509), (91, 206316), (99, 189644), (117, 160468), (126, 149006), (132, 142233), (143, 131292), (154, 121914), (156, 120351), (182, 103158), (198, 94822), (231, 81276), (234, 80234), (252, 74503), (273, 68772), (286, 65646), (308, 60957), (364, 51579), (396, 47411), (429, 43764), (462, 40638), (468, 40117), (521, 36036), (546, 34386), (572, 32823), (693, 27092), (819, 22924), (858, 21882), (924, 20319), (1001, 18756), (1042, 18018), (1092, 17193), (1287, 14588), (1386, 13546), (1563, 12012), (1638, 11462), (1716, 10941), (2002, 9378), (2084, 9009), (2574, 7294), (2772, 6773), (3003, 6252), (3126, 6006), (3276, 5731), (3647, 5148), (4004, 4689)]