1919239712

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{367}}^1\times {\mathrm{967}}^1$

素因数の和:1370

約数の個数: 72

約数和(自身を含む): 4106906496

約数和(自身を除く): 2187666784

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 367, 416, 676, 734, 967, 1352, 1468, 1934, 2704, 2936, 3868, 4771, 5408, 5872, 7736, 9542, 11744, 12571, 15472, 19084, 25142, 30944, 38168, 50284, 62023, 76336, 100568, 124046, 152672, 163423, 201136, 248092, 326846, 354889, 402272, 496184, 653692, 709778, 992368, 1307384, 1419556, 1984736, 2614768, 2839112, 4613557, 5229536, 5678224, 9227114, 11356448, 18454228, 36908456, 59976241, 73816912, 119952482, 147633824, 239904964, 479809928, 959619856, 1919239712]

約数ペア:

[(1, 1919239712), (2, 959619856), (4, 479809928), (8, 239904964), (13, 147633824), (16, 119952482), (26, 73816912), (32, 59976241), (52, 36908456), (104, 18454228), (169, 11356448), (208, 9227114), (338, 5678224), (367, 5229536), (416, 4613557), (676, 2839112), (734, 2614768), (967, 1984736), (1352, 1419556), (1468, 1307384), (1934, 992368), (2704, 709778), (2936, 653692), (3868, 496184), (4771, 402272), (5408, 354889), (5872, 326846), (7736, 248092), (9542, 201136), (11744, 163423), (12571, 152672), (15472, 124046), (19084, 100568), (25142, 76336), (30944, 62023), (38168, 50284)]