18796990

素因数分解:

$2^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{5417}}^1$

素因数の和:5771

約数の個数: 16

約数和(自身を含む): 33938352

約数和(自身を除く): 15141362

約数列:

[1, 2, 5, 10, 347, 694, 1735, 3470, 5417, 10834, 27085, 54170, 1879699, 3759398, 9398495, 18796990]

約数ペア:

[(1, 18796990), (2, 9398495), (5, 3759398), (10, 1879699), (347, 54170), (694, 27085), (1735, 10834), (3470, 5417)]