18339760

素因数分解:

$2^4\times 5^1\times {\mathrm{229247}}^1$

素因数の和:229260

約数の個数: 20

約数和(自身を含む): 42640128

約数和(自身を除く): 24300368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229247, 458494, 916988, 1146235, 1833976, 2292470, 3667952, 4584940, 9169880, 18339760]

約数ペア:

[(1, 18339760), (2, 9169880), (4, 4584940), (5, 3667952), (8, 2292470), (10, 1833976), (16, 1146235), (20, 916988), (40, 458494), (80, 229247)]