17938990

素因数分解:

$2^1\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1931}}^1$

素因数の和:2867

約数の個数: 16

約数和(自身を含む): 32341680

約数和(自身を除く): 14402690

約数列:

[1, 2, 5, 10, 929, 1858, 1931, 3862, 4645, 9290, 9655, 19310, 1793899, 3587798, 8969495, 17938990]

約数ペア:

[(1, 17938990), (2, 8969495), (5, 3587798), (10, 1793899), (929, 19310), (1858, 9655), (1931, 9290), (3862, 4645)]