2018197712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 4131402240

約数和(自身を除く): 2113204528

約数列:

[1, 2, 4, 8, 16, 31, 62, 73, 124, 139, 146, 248, 278, 292, 401, 496, 556, 584, 802, 1112, 1168, 1604, 2224, 2263, 3208, 4309, 4526, 6416, 8618, 9052, 10147, 12431, 17236, 18104, 20294, 24862, 29273, 34472, 36208, 40588, 49724, 55739, 58546, 68944, 81176, 99448, 111478, 117092, 162352, 198896, 222956, 234184, 314557, 445912, 468368, 629114, 891824, 907463, 1258228, 1727909, 1814926, 2516456, 3455818, 3629852, 4068947, 5032912, 6911636, 7259704, 8137894, 13823272, 14519408, 16275788, 27646544, 32551576, 65103152, 126137357, 252274714, 504549428, 1009098856, 2018197712]

約数ペア:

[(1, 2018197712), (2, 1009098856), (4, 504549428), (8, 252274714), (16, 126137357), (31, 65103152), (62, 32551576), (73, 27646544), (124, 16275788), (139, 14519408), (146, 13823272), (248, 8137894), (278, 7259704), (292, 6911636), (401, 5032912), (496, 4068947), (556, 3629852), (584, 3455818), (802, 2516456), (1112, 1814926), (1168, 1727909), (1604, 1258228), (2224, 907463), (2263, 891824), (3208, 629114), (4309, 468368), (4526, 445912), (6416, 314557), (8618, 234184), (9052, 222956), (10147, 198896), (12431, 162352), (17236, 117092), (18104, 111478), (20294, 99448), (24862, 81176), (29273, 68944), (34472, 58546), (36208, 55739), (40588, 49724)]