18006872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 37630320

約数和(自身を除く): 19623448

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 103, 104, 164, 206, 328, 412, 533, 824, 1066, 1339, 1681, 2132, 2678, 3362, 4223, 4264, 5356, 6724, 8446, 10712, 13448, 16892, 21853, 33784, 43706, 54899, 87412, 109798, 173143, 174824, 219596, 346286, 439192, 692572, 1385144, 2250859, 4501718, 9003436, 18006872]

約数ペア:

[(1, 18006872), (2, 9003436), (4, 4501718), (8, 2250859), (13, 1385144), (26, 692572), (41, 439192), (52, 346286), (82, 219596), (103, 174824), (104, 173143), (164, 109798), (206, 87412), (328, 54899), (412, 43706), (533, 33784), (824, 21853), (1066, 16892), (1339, 13448), (1681, 10712), (2132, 8446), (2678, 6724), (3362, 5356), (4223, 4264)]