20189187711

素因数分解:

$3^9\times 7^2\times {\mathrm{11}}^2\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 180

約数和(自身を含む): 38944931256

約数和(自身を除く): 18755743545

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 121, 147, 173, 189, 231, 243, 297, 363, 441, 519, 539, 567, 693, 729, 847, 891, 1089, 1211, 1323, 1557, 1617, 1701, 1903, 2079, 2187, 2541, 2673, 3267, 3633, 3969, 4671, 4851, 5103, 5709, 5929, 6237, 6561, 7623, 8019, 8477, 9801, 10899, 11907, 13321, 14013, 14553, 15309, 17127, 17787, 18711, 19683, 20933, 22869, 24057, 25431, 29403, 32697, 35721, 39963, 42039, 43659, 45927, 51381, 53361, 56133, 62799, 68607, 72171, 76293, 88209, 93247, 98091, 107163, 119889, 126117, 130977, 137781, 146531, 154143, 160083, 168399, 188397, 205821, 216513, 228879, 264627, 279741, 294273, 321489, 359667, 378351, 392931, 439593, 462429, 480249, 505197, 565191, 617463, 686637, 793881, 839223, 882819, 964467, 1025717, 1079001, 1135053, 1178793, 1318779, 1387287, 1440747, 1515591, 1695573, 1852389, 2059911, 2381643, 2517669, 2648457, 3077151, 3237003, 3405159, 3536379, 3956337, 4161861, 4322241, 5086719, 5557167, 6179733, 7553007, 7945371, 9231453, 9711009, 10609137, 11869011, 12485583, 12966723, 15260157, 16671501, 18539199, 22659021, 23836113, 27694359, 29133027, 35607033, 37456749, 38900169, 45780471, 55617597, 67977063, 83083077, 87399081, 106821099, 116700507, 137341413, 166852791, 203931189, 249249231, 262197243, 320463297, 412024239, 611793567, 747747693, 961389891, 1835380701, 2243243079, 2884169673, 6729729237, 20189187711]

約数ペア:

[(1, 20189187711), (3, 6729729237), (7, 2884169673), (9, 2243243079), (11, 1835380701), (21, 961389891), (27, 747747693), (33, 611793567), (49, 412024239), (63, 320463297), (77, 262197243), (81, 249249231), (99, 203931189), (121, 166852791), (147, 137341413), (173, 116700507), (189, 106821099), (231, 87399081), (243, 83083077), (297, 67977063), (363, 55617597), (441, 45780471), (519, 38900169), (539, 37456749), (567, 35607033), (693, 29133027), (729, 27694359), (847, 23836113), (891, 22659021), (1089, 18539199), (1211, 16671501), (1323, 15260157), (1557, 12966723), (1617, 12485583), (1701, 11869011), (1903, 10609137), (2079, 9711009), (2187, 9231453), (2541, 7945371), (2673, 7553007), (3267, 6179733), (3633, 5557167), (3969, 5086719), (4671, 4322241), (4851, 4161861), (5103, 3956337), (5709, 3536379), (5929, 3405159), (6237, 3237003), (6561, 3077151), (7623, 2648457), (8019, 2517669), (8477, 2381643), (9801, 2059911), (10899, 1852389), (11907, 1695573), (13321, 1515591), (14013, 1440747), (14553, 1387287), (15309, 1318779), (17127, 1178793), (17787, 1135053), (18711, 1079001), (19683, 1025717), (20933, 964467), (22869, 882819), (24057, 839223), (25431, 793881), (29403, 686637), (32697, 617463), (35721, 565191), (39963, 505197), (42039, 480249), (43659, 462429), (45927, 439593), (51381, 392931), (53361, 378351), (56133, 359667), (62799, 321489), (68607, 294273), (72171, 279741), (76293, 264627), (88209, 228879), (93247, 216513), (98091, 205821), (107163, 188397), (119889, 168399), (126117, 160083), (130977, 154143), (137781, 146531)]