18706898

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9613}}^1$

素因数の和:9761

約数の個数: 16

約数和(自身を含む): 32303040

約数和(自身を除く): 13596142

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9613, 19226, 67291, 134582, 1336207, 2672414, 9353449, 18706898]

約数ペア:

[(1, 18706898), (2, 9353449), (7, 2672414), (14, 1336207), (139, 134582), (278, 67291), (973, 19226), (1946, 9613)]