18965541

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1459}}^1$

素因数の和:2088

約数の個数: 16

約数和(自身を含む): 28966400

約数和(自身を除く): 10000859

約数列:

[1, 3, 7, 21, 619, 1459, 1857, 4333, 4377, 10213, 12999, 30639, 903121, 2709363, 6321847, 18965541]

約数ペア:

[(1, 18965541), (3, 6321847), (7, 2709363), (21, 903121), (619, 30639), (1459, 12999), (1857, 10213), (4333, 4377)]