19942916

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5437}}^1$

素因数の和:5579

約数の個数: 24

約数和(自身を含む): 40197696

約数和(自身を除く): 20254780

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5437, 10874, 21748, 38059, 76118, 152236, 712247, 1424494, 2848988, 4985729, 9971458, 19942916]

約数ペア:

[(1, 19942916), (2, 9971458), (4, 4985729), (7, 2848988), (14, 1424494), (28, 712247), (131, 152236), (262, 76118), (524, 38059), (917, 21748), (1834, 10874), (3668, 5437)]