19772144

素因数分解:

$2^4\times 7^1\times {\mathrm{176537}}^1$

素因数の和:176552

約数の個数: 20

約数和(自身を含む): 43781424

約数和(自身を除く): 24009280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 176537, 353074, 706148, 1235759, 1412296, 2471518, 2824592, 4943036, 9886072, 19772144]

約数ペア:

[(1, 19772144), (2, 9886072), (4, 4943036), (7, 2824592), (8, 2471518), (14, 1412296), (16, 1235759), (28, 706148), (56, 353074), (112, 176537)]