19680939

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3067}}^1$

素因数の和:3127

約数の個数: 24

約数和(自身を含む): 30630912

約数和(自身を除く): 10949973

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3067, 6417, 9201, 27603, 70541, 95077, 211623, 285231, 634869, 855693, 2186771, 6560313, 19680939]

約数ペア:

[(1, 19680939), (3, 6560313), (9, 2186771), (23, 855693), (31, 634869), (69, 285231), (93, 211623), (207, 95077), (279, 70541), (713, 27603), (2139, 9201), (3067, 6417)]