18790510

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17239}}^1$

素因数の和:17355

約数の個数: 16

約数和(自身を含む): 34135200

約数和(自身を除く): 15344690

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17239, 34478, 86195, 172390, 1879051, 3758102, 9395255, 18790510]

約数ペア:

[(1, 18790510), (2, 9395255), (5, 3758102), (10, 1879051), (109, 172390), (218, 86195), (545, 34478), (1090, 17239)]