19015280

素因数分解:

$2^4\times 5^1\times {\mathrm{237691}}^1$

素因数の和:237704

約数の個数: 20

約数和(自身を含む): 44210712

約数和(自身を除く): 25195432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237691, 475382, 950764, 1188455, 1901528, 2376910, 3803056, 4753820, 9507640, 19015280]

約数ペア:

[(1, 19015280), (2, 9507640), (4, 4753820), (5, 3803056), (8, 2376910), (10, 1901528), (16, 1188455), (20, 950764), (40, 475382), (80, 237691)]