19407708

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2531}}^1$

素因数の和:2615

約数の個数: 48

約数和(自身を含む): 51045120

約数和(自身を除く): 31637412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2531, 2556, 3834, 5062, 7593, 7668, 10124, 15186, 22779, 30372, 45558, 68337, 91116, 136674, 179701, 273348, 359402, 539103, 718804, 1078206, 1617309, 2156412, 3234618, 4851927, 6469236, 9703854, 19407708]

約数ペア:

[(1, 19407708), (2, 9703854), (3, 6469236), (4, 4851927), (6, 3234618), (9, 2156412), (12, 1617309), (18, 1078206), (27, 718804), (36, 539103), (54, 359402), (71, 273348), (108, 179701), (142, 136674), (213, 91116), (284, 68337), (426, 45558), (639, 30372), (852, 22779), (1278, 15186), (1917, 10124), (2531, 7668), (2556, 7593), (3834, 5062)]