18840966

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 38987520

約数和(自身を除く): 20146554

約数列:

[1, 2, 3, 6, 43, 86, 103, 129, 206, 258, 309, 618, 709, 1418, 2127, 4254, 4429, 8858, 13287, 26574, 30487, 60974, 73027, 91461, 146054, 182922, 219081, 438162, 3140161, 6280322, 9420483, 18840966]

約数ペア:

[(1, 18840966), (2, 9420483), (3, 6280322), (6, 3140161), (43, 438162), (86, 219081), (103, 182922), (129, 146054), (206, 91461), (258, 73027), (309, 60974), (618, 30487), (709, 26574), (1418, 13287), (2127, 8858), (4254, 4429)]