18434480

素因数分解:

$2^4\times 5^1\times {\mathrm{230431}}^1$

素因数の和:230444

約数の個数: 20

約数和(自身を含む): 42860352

約数和(自身を除く): 24425872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230431, 460862, 921724, 1152155, 1843448, 2304310, 3686896, 4608620, 9217240, 18434480]

約数ペア:

[(1, 18434480), (2, 9217240), (4, 4608620), (5, 3686896), (8, 2304310), (10, 1843448), (16, 1152155), (20, 921724), (40, 460862), (80, 230431)]