18771368

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 45342720

約数和(自身を除く): 26571352

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 983, 1364, 1736, 1966, 2387, 2728, 3932, 4774, 6881, 7864, 9548, 10813, 13762, 19096, 21626, 27524, 30473, 43252, 55048, 60946, 75691, 86504, 121892, 151382, 213311, 243784, 302764, 335203, 426622, 605528, 670406, 853244, 1340812, 1706488, 2346421, 2681624, 4692842, 9385684, 18771368]

約数ペア:

[(1, 18771368), (2, 9385684), (4, 4692842), (7, 2681624), (8, 2346421), (11, 1706488), (14, 1340812), (22, 853244), (28, 670406), (31, 605528), (44, 426622), (56, 335203), (62, 302764), (77, 243784), (88, 213311), (124, 151382), (154, 121892), (217, 86504), (248, 75691), (308, 60946), (341, 55048), (434, 43252), (616, 30473), (682, 27524), (868, 21626), (983, 19096), (1364, 13762), (1736, 10813), (1966, 9548), (2387, 7864), (2728, 6881), (3932, 4774)]