18425720

素因数分解:

$2^3\times 5^1\times {\mathrm{460643}}^1$

素因数の和:460654

約数の個数: 16

約数和(自身を含む): 41457960

約数和(自身を除く): 23032240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 460643, 921286, 1842572, 2303215, 3685144, 4606430, 9212860, 18425720]

約数ペア:

[(1, 18425720), (2, 9212860), (4, 4606430), (5, 3685144), (8, 2303215), (10, 1842572), (20, 921286), (40, 460643)]