2019900888

素因数分解:

$2^3\times 3^4\times {\mathrm{197}}^1\times {\mathrm{15823}}^1$

素因数の和:16038

約数の個数: 80

約数和(自身を含む): 5686670880

約数和(自身を除く): 3666769992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 197, 216, 324, 394, 591, 648, 788, 1182, 1576, 1773, 2364, 3546, 4728, 5319, 7092, 10638, 14184, 15823, 15957, 21276, 31646, 31914, 42552, 47469, 63292, 63828, 94938, 126584, 127656, 142407, 189876, 284814, 379752, 427221, 569628, 854442, 1139256, 1281663, 1708884, 2563326, 3117131, 3417768, 5126652, 6234262, 9351393, 10253304, 12468524, 18702786, 24937048, 28054179, 37405572, 56108358, 74811144, 84162537, 112216716, 168325074, 224433432, 252487611, 336650148, 504975222, 673300296, 1009950444, 2019900888]

約数ペア:

[(1, 2019900888), (2, 1009950444), (3, 673300296), (4, 504975222), (6, 336650148), (8, 252487611), (9, 224433432), (12, 168325074), (18, 112216716), (24, 84162537), (27, 74811144), (36, 56108358), (54, 37405572), (72, 28054179), (81, 24937048), (108, 18702786), (162, 12468524), (197, 10253304), (216, 9351393), (324, 6234262), (394, 5126652), (591, 3417768), (648, 3117131), (788, 2563326), (1182, 1708884), (1576, 1281663), (1773, 1139256), (2364, 854442), (3546, 569628), (4728, 427221), (5319, 379752), (7092, 284814), (10638, 189876), (14184, 142407), (15823, 127656), (15957, 126584), (21276, 94938), (31646, 63828), (31914, 63292), (42552, 47469)]