19785424

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42641}}^1$

素因数の和:42678

約数の個数: 20

約数和(自身を含む): 39657060

約数和(自身を除く): 19871636

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42641, 85282, 170564, 341128, 682256, 1236589, 2473178, 4946356, 9892712, 19785424]

約数ペア:

[(1, 19785424), (2, 9892712), (4, 4946356), (8, 2473178), (16, 1236589), (29, 682256), (58, 341128), (116, 170564), (232, 85282), (464, 42641)]