17781606

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 80

約数和(自身を含む): 43124400

約数和(自身を除く): 25342794

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 53, 54, 57, 81, 106, 109, 114, 159, 162, 171, 218, 318, 327, 342, 477, 513, 654, 954, 981, 1007, 1026, 1431, 1539, 1962, 2014, 2071, 2862, 2943, 3021, 3078, 4142, 4293, 5777, 5886, 6042, 6213, 8586, 8829, 9063, 11554, 12426, 17331, 17658, 18126, 18639, 27189, 34662, 37278, 51993, 54378, 55917, 81567, 103986, 109763, 111834, 155979, 163134, 167751, 219526, 311958, 329289, 335502, 467937, 658578, 935874, 987867, 1975734, 2963601, 5927202, 8890803, 17781606]

約数ペア:

[(1, 17781606), (2, 8890803), (3, 5927202), (6, 2963601), (9, 1975734), (18, 987867), (19, 935874), (27, 658578), (38, 467937), (53, 335502), (54, 329289), (57, 311958), (81, 219526), (106, 167751), (109, 163134), (114, 155979), (159, 111834), (162, 109763), (171, 103986), (218, 81567), (318, 55917), (327, 54378), (342, 51993), (477, 37278), (513, 34662), (654, 27189), (954, 18639), (981, 18126), (1007, 17658), (1026, 17331), (1431, 12426), (1539, 11554), (1962, 9063), (2014, 8829), (2071, 8586), (2862, 6213), (2943, 6042), (3021, 5886), (3078, 5777), (4142, 4293)]