19641117

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 28940800

約数和(自身を除く): 9299683

約数列:

[1, 3, 19, 37, 57, 67, 111, 139, 201, 417, 703, 1273, 2109, 2479, 2641, 3819, 5143, 7437, 7923, 9313, 15429, 27939, 47101, 97717, 141303, 176947, 293151, 344581, 530841, 1033743, 6547039, 19641117]

約数ペア:

[(1, 19641117), (3, 6547039), (19, 1033743), (37, 530841), (57, 344581), (67, 293151), (111, 176947), (139, 141303), (201, 97717), (417, 47101), (703, 27939), (1273, 15429), (2109, 9313), (2479, 7923), (2641, 7437), (3819, 5143)]