19669912

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{137}}^2$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 37435860

約数和(自身を除く): 17765948

約数列:

[1, 2, 4, 8, 131, 137, 262, 274, 524, 548, 1048, 1096, 17947, 18769, 35894, 37538, 71788, 75076, 143576, 150152, 2458739, 4917478, 9834956, 19669912]

約数ペア:

[(1, 19669912), (2, 9834956), (4, 4917478), (8, 2458739), (131, 150152), (137, 143576), (262, 75076), (274, 71788), (524, 37538), (548, 35894), (1048, 18769), (1096, 17947)]