19986658824

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{243431}}^1$

素因数の和:243762

約数の個数: 64

約数和(自身を含む): 54684564480

約数和(自身を除く): 34697905656

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 311, 622, 933, 1244, 1866, 2488, 3421, 3732, 6842, 7464, 10263, 13684, 20526, 27368, 41052, 82104, 243431, 486862, 730293, 973724, 1460586, 1947448, 2677741, 2921172, 5355482, 5842344, 8033223, 10710964, 16066446, 21421928, 32132892, 64265784, 75707041, 151414082, 227121123, 302828164, 454242246, 605656328, 832777451, 908484492, 1665554902, 1816968984, 2498332353, 3331109804, 4996664706, 6662219608, 9993329412, 19986658824]

約数ペア:

[(1, 19986658824), (2, 9993329412), (3, 6662219608), (4, 4996664706), (6, 3331109804), (8, 2498332353), (11, 1816968984), (12, 1665554902), (22, 908484492), (24, 832777451), (33, 605656328), (44, 454242246), (66, 302828164), (88, 227121123), (132, 151414082), (264, 75707041), (311, 64265784), (622, 32132892), (933, 21421928), (1244, 16066446), (1866, 10710964), (2488, 8033223), (3421, 5842344), (3732, 5355482), (6842, 2921172), (7464, 2677741), (10263, 1947448), (13684, 1460586), (20526, 973724), (27368, 730293), (41052, 486862), (82104, 243431)]