19477904

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3391}}^1$

素因数の和:3758

約数の個数: 20

約数和(自身を含む): 37854720

約数和(自身を除く): 18376816

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3391, 5744, 6782, 13564, 27128, 54256, 1217369, 2434738, 4869476, 9738952, 19477904]

約数ペア:

[(1, 19477904), (2, 9738952), (4, 4869476), (8, 2434738), (16, 1217369), (359, 54256), (718, 27128), (1436, 13564), (2872, 6782), (3391, 5744)]