19777492

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8941}}^1$

素因数の和:9031

約数の個数: 24

約数和(自身を含む): 40060160

約数和(自身を除く): 20282668

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 8941, 17882, 35764, 62587, 125174, 250348, 706339, 1412678, 2825356, 4944373, 9888746, 19777492]

約数ペア:

[(1, 19777492), (2, 9888746), (4, 4944373), (7, 2825356), (14, 1412678), (28, 706339), (79, 250348), (158, 125174), (316, 62587), (553, 35764), (1106, 17882), (2212, 8941)]