19555426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2239}}^1$

素因数の和:2649

約数の個数: 16

約数和(自身を含む): 32094720

約数和(自身を除く): 12539294

約数列:

[1, 2, 11, 22, 397, 794, 2239, 4367, 4478, 8734, 24629, 49258, 888883, 1777766, 9777713, 19555426]

約数ペア:

[(1, 19555426), (2, 9777713), (11, 1777766), (22, 888883), (397, 49258), (794, 24629), (2239, 8734), (4367, 4478)]