18012008

素因数分解:

$2^3\times 7^2\times {\mathrm{45949}}^1$

素因数の和:45969

約数の個数: 24

約数和(自身を含む): 39287250

約数和(自身を除く): 21275242

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 45949, 91898, 183796, 321643, 367592, 643286, 1286572, 2251501, 2573144, 4503002, 9006004, 18012008]

約数ペア:

[(1, 18012008), (2, 9006004), (4, 4503002), (7, 2573144), (8, 2251501), (14, 1286572), (28, 643286), (49, 367592), (56, 321643), (98, 183796), (196, 91898), (392, 45949)]