19890618

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3631}}^1$

素因数の和:3730

約数の個数: 32

約数和(自身を含む): 43932672

約数和(自身を除く): 24042054

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 166, 249, 498, 913, 1826, 2739, 3631, 5478, 7262, 10893, 21786, 39941, 79882, 119823, 239646, 301373, 602746, 904119, 1808238, 3315103, 6630206, 9945309, 19890618]

約数ペア:

[(1, 19890618), (2, 9945309), (3, 6630206), (6, 3315103), (11, 1808238), (22, 904119), (33, 602746), (66, 301373), (83, 239646), (166, 119823), (249, 79882), (498, 39941), (913, 21786), (1826, 10893), (2739, 7262), (3631, 5478)]