18150940

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1783}}^1$

素因数の和:2301

約数の個数: 24

約数和(自身を含む): 38213280

約数和(自身を除く): 20062340

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1783, 2036, 2545, 3566, 5090, 7132, 8915, 10180, 17830, 35660, 907547, 1815094, 3630188, 4537735, 9075470, 18150940]

約数ペア:

[(1, 18150940), (2, 9075470), (4, 4537735), (5, 3630188), (10, 1815094), (20, 907547), (509, 35660), (1018, 17830), (1783, 10180), (2036, 8915), (2545, 7132), (3566, 5090)]