18509708

素因数分解:

$2^2\times 7^1\times {\mathrm{661061}}^1$

素因数の和:661072

約数の個数: 12

約数和(自身を含む): 37019472

約数和(自身を除く): 18509764

約数列:

[1, 2, 4, 7, 14, 28, 661061, 1322122, 2644244, 4627427, 9254854, 18509708]

約数ペア:

[(1, 18509708), (2, 9254854), (4, 4627427), (7, 2644244), (14, 1322122), (28, 661061)]